Specimen Number47-6-008Alternate Number49-97-12CommentsCoarse-grained colemanite with large 10 cm spray of ulexite, should XRD to confirm.In Teaching CollectionNoMineral(s)colemaniteulexiteclayRock NameB oreDistrictFurnace CreekMineBoraxoExternal LinkMindatDeposit TypeEvaporiteGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience