BEGIN:VCALENDAR VERSION:2.0 CALSCALE:GREGORIAN PRODID:iCalendar-Ruby BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260203T210000Z DTSTAMP:20260312T060050Z DTSTART:20260203T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788494218 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260204T210000Z DTSTAMP:20260312T060050Z DTSTART:20260204T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788495243 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260205T210000Z DTSTAMP:20260312T060050Z DTSTART:20260205T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788496268 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260206T210000Z DTSTAMP:20260312T060050Z DTSTART:20260206T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788496269 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260207T210000Z DTSTAMP:20260312T060050Z DTSTART:20260207T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788497294 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260208T210000Z DTSTAMP:20260312T060050Z DTSTART:20260208T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788498319 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260209T210000Z DTSTAMP:20260312T060050Z DTSTART:20260209T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788499344 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260210T210000Z DTSTAMP:20260312T060050Z DTSTART:20260210T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788500369 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260211T210000Z DTSTAMP:20260312T060050Z DTSTART:20260211T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788501394 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260212T210000Z DTSTAMP:20260312T060050Z DTSTART:20260212T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788502419 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260213T210000Z DTSTAMP:20260312T060050Z DTSTART:20260213T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788502420 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260214T210000Z DTSTAMP:20260312T060050Z DTSTART:20260214T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788503445 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260215T210000Z DTSTAMP:20260312T060050Z DTSTART:20260215T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788504470 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260216T210000Z DTSTAMP:20260312T060050Z DTSTART:20260216T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788505495 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260217T210000Z DTSTAMP:20260312T060050Z DTSTART:20260217T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788506520 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260218T210000Z DTSTAMP:20260312T060050Z DTSTART:20260218T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788507545 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260219T210000Z DTSTAMP:20260312T060050Z DTSTART:20260219T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788508570 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260220T210000Z DTSTAMP:20260312T060050Z DTSTART:20260220T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788508571 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260221T210000Z DTSTAMP:20260312T060050Z DTSTART:20260221T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788509596 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260222T210000Z DTSTAMP:20260312T060050Z DTSTART:20260222T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788510621 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260223T210000Z DTSTAMP:20260312T060050Z DTSTART:20260223T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788511646 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260224T210000Z DTSTAMP:20260312T060050Z DTSTART:20260224T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788512671 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260225T210000Z DTSTAMP:20260312T060050Z DTSTART:20260225T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788512672 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260226T210000Z DTSTAMP:20260312T060050Z DTSTART:20260226T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788513697 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260227T210000Z DTSTAMP:20260312T060050Z DTSTART:20260227T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788514722 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260228T210000Z DTSTAMP:20260312T060050Z DTSTART:20260228T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788515747 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260301T210000Z DTSTAMP:20260312T060050Z DTSTART:20260301T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788516772 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260302T210000Z DTSTAMP:20260312T060050Z DTSTART:20260302T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788517797 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260303T210000Z DTSTAMP:20260312T060050Z DTSTART:20260303T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788518822 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260304T210000Z DTSTAMP:20260312T060050Z DTSTART:20260304T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788519847 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260305T210000Z DTSTAMP:20260312T060050Z DTSTART:20260305T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788520872 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260306T210000Z DTSTAMP:20260312T060050Z DTSTART:20260306T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788520873 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260307T210000Z DTSTAMP:20260312T060050Z DTSTART:20260307T150000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788521898 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260308T200000Z DTSTAMP:20260312T060050Z DTSTART:20260308T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788522923 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260309T200000Z DTSTAMP:20260312T060050Z DTSTART:20260309T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788523948 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260310T200000Z DTSTAMP:20260312T060051Z DTSTART:20260310T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788524973 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260311T200000Z DTSTAMP:20260312T060051Z DTSTART:20260311T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788525998 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260312T200000Z DTSTAMP:20260312T060051Z DTSTART:20260312T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788525999 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260313T200000Z DTSTAMP:20260312T060051Z DTSTART:20260313T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788527024 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260314T200000Z DTSTAMP:20260312T060051Z DTSTART:20260314T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788528049 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260315T200000Z DTSTAMP:20260312T060051Z DTSTART:20260315T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788529074 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260316T200000Z DTSTAMP:20260312T060051Z DTSTART:20260316T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788530099 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260317T200000Z DTSTAMP:20260312T060051Z DTSTART:20260317T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788531124 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260318T200000Z DTSTAMP:20260312T060051Z DTSTART:20260318T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788532149 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260319T200000Z DTSTAMP:20260312T060051Z DTSTART:20260319T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788533174 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260320T200000Z DTSTAMP:20260312T060051Z DTSTART:20260320T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788534199 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260321T200000Z DTSTAMP:20260312T060051Z DTSTART:20260321T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788535224 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260322T200000Z DTSTAMP:20260312T060051Z DTSTART:20260322T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788535225 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260323T200000Z DTSTAMP:20260312T060051Z DTSTART:20260323T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788536250 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260324T200000Z DTSTAMP:20260312T060051Z DTSTART:20260324T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788537275 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260325T200000Z DTSTAMP:20260312T060051Z DTSTART:20260325T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788538300 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260326T200000Z DTSTAMP:20260312T060051Z DTSTART:20260326T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788539325 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260327T200000Z DTSTAMP:20260312T060051Z DTSTART:20260327T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788540350 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260328T200000Z DTSTAMP:20260312T060051Z DTSTART:20260328T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788541375 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260329T200000Z DTSTAMP:20260312T060051Z DTSTART:20260329T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788541376 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260330T200000Z DTSTAMP:20260312T060051Z DTSTART:20260330T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788542401 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260331T200000Z DTSTAMP:20260312T060051Z DTSTART:20260331T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788543426 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260401T200000Z DTSTAMP:20260312T060051Z DTSTART:20260401T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788544451 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260402T200000Z DTSTAMP:20260312T060051Z DTSTART:20260402T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788545476 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260403T200000Z DTSTAMP:20260312T060051Z DTSTART:20260403T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788546501 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260404T200000Z DTSTAMP:20260312T060051Z DTSTART:20260404T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788547526 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260405T200000Z DTSTAMP:20260312T060051Z DTSTART:20260405T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788548551 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260406T200000Z DTSTAMP:20260312T060051Z DTSTART:20260406T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788549576 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260407T200000Z DTSTAMP:20260312T060051Z DTSTART:20260407T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788550601 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260408T200000Z DTSTAMP:20260312T060051Z DTSTART:20260408T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788550602 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260409T200000Z DTSTAMP:20260312T060051Z DTSTART:20260409T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788551627 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260410T200000Z DTSTAMP:20260312T060051Z DTSTART:20260410T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788552652 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260411T200000Z DTSTAMP:20260312T060051Z DTSTART:20260411T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788553677 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260412T200000Z DTSTAMP:20260312T060051Z DTSTART:20260412T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788554702 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260413T200000Z DTSTAMP:20260312T060051Z DTSTART:20260413T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788554703 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260414T200000Z DTSTAMP:20260312T060051Z DTSTART:20260414T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788555728 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260415T200000Z DTSTAMP:20260312T060051Z DTSTART:20260415T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788556753 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260416T200000Z DTSTAMP:20260312T060051Z DTSTART:20260416T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788557778 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260417T200000Z DTSTAMP:20260312T060051Z DTSTART:20260417T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788558803 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260418T200000Z DTSTAMP:20260312T060051Z DTSTART:20260418T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788559828 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260419T200000Z DTSTAMP:20260312T060051Z DTSTART:20260419T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788560853 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260420T200000Z DTSTAMP:20260312T060051Z DTSTART:20260420T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788560854 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260421T200000Z DTSTAMP:20260312T060051Z DTSTART:20260421T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788561879 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260422T200000Z DTSTAMP:20260312T060051Z DTSTART:20260422T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788562904 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260423T200000Z DTSTAMP:20260312T060051Z DTSTART:20260423T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788563929 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260424T200000Z DTSTAMP:20260312T060051Z DTSTART:20260424T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788564954 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260425T200000Z DTSTAMP:20260312T060051Z DTSTART:20260425T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788564955 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260426T200000Z DTSTAMP:20260312T060051Z DTSTART:20260426T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788565980 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260427T200000Z DTSTAMP:20260312T060051Z DTSTART:20260427T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788567005 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260428T200000Z DTSTAMP:20260312T060051Z DTSTART:20260428T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788568030 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260429T200000Z DTSTAMP:20260312T060051Z DTSTART:20260429T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788568031 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260430T200000Z DTSTAMP:20260312T060051Z DTSTART:20260430T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788569056 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260501T200000Z DTSTAMP:20260312T060051Z DTSTART:20260501T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788570081 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260502T200000Z DTSTAMP:20260312T060051Z DTSTART:20260502T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788571106 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260503T200000Z DTSTAMP:20260312T060051Z DTSTART:20260503T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788576227 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260504T200000Z DTSTAMP:20260312T060051Z DTSTART:20260504T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788577252 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260505T200000Z DTSTAMP:20260312T060051Z DTSTART:20260505T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788578277 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260506T200000Z DTSTAMP:20260312T060051Z DTSTART:20260506T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788579302 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260507T200000Z DTSTAMP:20260312T060051Z DTSTART:20260507T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788580327 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260508T200000Z DTSTAMP:20260312T060051Z DTSTART:20260508T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788580328 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260509T200000Z DTSTAMP:20260312T060051Z DTSTART:20260509T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788581353 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260510T200000Z DTSTAMP:20260312T060051Z DTSTART:20260510T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788582378 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260511T200000Z DTSTAMP:20260312T060051Z DTSTART:20260511T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788583403 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260512T200000Z DTSTAMP:20260312T060051Z DTSTART:20260512T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788584428 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260513T200000Z DTSTAMP:20260312T060051Z DTSTART:20260513T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788585453 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260514T200000Z DTSTAMP:20260312T060051Z DTSTART:20260514T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788586478 URL:https://events.udel.edu/event/quartz END:VEVENT BEGIN:VEVENT CATEGORIES:Community,Exhibitions DESCRIPTION:Quartz is the second most common mineral in the earth’s crust. It comprises the majority of sand beaches in the world due to its abundance \, hardness and resistance to erosion. It also forms crystals which can be very large. Although often transparent or white\, other color varieties inc lude amethyst (purple)\, citrine (yellow-orange) and gray or black (smoky). This exhibition includes recent acquisitions\, an important specimen from Pennsylvania\, early DuPont collection examples\, and a “mystery” crystal g iven by Quaesita Drake\, a chemistry professor\, for whom Drake Hall is nam ed. DTEND:20260515T200000Z DTSTAMP:20260312T060051Z DTSTART:20260515T140000Z GEO:39.678261;-75.749275 LOCATION:Penny Hall\, Mineralogical Museum SEQUENCE:0 SUMMARY:Quartz UID:tag:localist.com\,2008:EventInstance_51826788587503 URL:https://events.udel.edu/event/quartz END:VEVENT END:VCALENDAR