Specimen Number46-4-001Alternate Number49-84-26CommentsMassive fine-grained tan brucite.In Teaching CollectionNoMineral(s)bruciteRock NameMg oreDistrictGabbsMineSierra magnesiteExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience