Specimen NumberCRC-66CommentsEDS consistent with this phase, O totals somewhat low. Card is incorrect - sample is from Petaca district in New Mexico, not Mexico.In Teaching CollectionNoMineral(s)columbite-(Mn)Rock NameCrowe reference collectionDistrictPetacaMinePetacaExternal LinkUSGS MRDSGeo-LocationPetacaDeposit TypePegmatiteGeo-Coords[1] CitationAnalytical work financially supported by the UGA Department of Geology. Mr. Christopher J. Fleisher is acknowledged for providing technological support for EDS analyses.