Specimen Number46-1-010Alternate Number49-80-4CommentsMassive botryoidal Mn-oxide ore, with chalcedony partially infilling open space. Need XRD to determine mineralogy of Mn-bearing phase.In Teaching CollectionNoMineral(s)mn-oxidechalcedonyRock NameMn oreDistrictSodavilleMineBlack JackExternal LinkMindatDeposit TypeEpithermalGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience