Specimen Number46-1-011Alternate Number49-80-6CommentsMassive Mn-oxide vein material with wall rock fragments and abundant chalcedony infilling open space.In Teaching CollectionNoMineral(s)mn-oxidechalcedonyRock NameMn oreDistrictSodavilleMineBlack JackExternal LinkMindatDeposit TypeEpithermalGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience