Specimen Number44-8-013Alternate Number9003CommentsVery fine-grained vein material with putative native Ag + argentite + cerrusite, need XRD confirmation.In Teaching CollectionNoMineral(s)argentitesilvercerrusiteRock NameAg oreDistrictPeruMineColquirrumiExternal LinkUSGS MRDSDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience