Specimen Number43-9-012Alternate Number50-18-7CommentsStrongly leached and weathered dolomite, cherty residua is all that's left.In Teaching CollectionNoMineral(s)chertFe-oxRock NamechertDistrictSweetwaterMineKreb'sExternal LinkMindatDeposit TypeMVTGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience