Specimen NumberCRC-1244CommentsSample donated by Doug Crowe. XRD confirms native Cu and cuprite. Sample is easily 50% arsenical Cu (Whitneyite?), visually distinct from the native Cu as it is a distinctive silver color. See XRD pattern. Sample is on display in GG cabinet 10.In Teaching CollectionNoMineral(s)copperRock NameCrowe reference collectionDistrictKeweenawMineChampion, MIExternal LinkMindatDeposit TypeKeweenaw CopperDonated ByDoug CroweCitationAnalytical work financially supported by the UGA Department of Geology. Mr. Christopher J. Fleisher is acknowledged for providing technological support for EDS analyses.