Specimen Number46-4-004Alternate Number49-84-31CommentsPunky fine-grained hydromagnesite. Need XRD to confirm.In Teaching CollectionNoMineral(s)hydromagnesiteRock NameMg oreDistrictGabbsMineSierra magnesiteExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience