Specimen Number46-4-008Alternate Number58-2-4CommentsHard oxide with pyrolusite.In Teaching CollectionNoMineral(s)mn-oxidepyrolusiteRock NameMn oreDistrictAmapa, BrazilMineSerra do NavioExternal LinkMindatDeposit TypeLateriteGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience