Specimen Number46-4-002Alternate Number49-84-29CommentsMassive fine-grained tan brucite.In Teaching CollectionNoMineral(s)bruciteRock NameMg oreDistrictGabbsMineSierra magnesiteExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience