Specimen Number46-3-026Alternate Number49-84-10CommentsMassive gray, fine-grained magnesite crosscut by white calcite veins.In Teaching CollectionNoMineral(s)magnesitecalciteRock NameMg oreDistrictGabbsMineSierra magnesiteExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience