Specimen Number47-5-020Alternate Number64-13-5CommentsFibrous trona with minor searlesite.In Teaching CollectionNoMineral(s)tronasearlesiteRock Nametrona oreDistrictWyomingMineWestvacoExternal LinkMindatDeposit TypeEvaporiteGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience