Specimen Number42-8-011Alternate Number9307CommentsFine-grained disseminated sphalerite in granular dolomite, Boone Formation.In Teaching CollectionNoMineral(s)dolomitesphaleriteField NotesMine unknown, note indicates from 4.5 miles W of Joplin, MO.Rock NameZn oreDistrictTri-StateDeposit TypeMVTDonated ByUniversity of Wisconsin-Madison Department of Geoscience