Specimen Number46-3-028Alternate Number49-84-14CommentsHigh grade material; early white fine-grained brucite crosscut by later dark fine- to coarse-grained bladed brucite.In Teaching CollectionNoMineral(s)bruciteRock NameMg oreDistrictGabbsMineSierra magnesiteExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience