Specimen Number48-1-002Alternate Number77-81CommentsImpure marble trending toward calcxsilicate; calcite + pyroxene + k-spar + pyrrhotite + fluorite + graphite.In Teaching CollectionNoMineral(s)calcitepyroxenek-sparpyrrhotitefluoritegraphiteField NotesSample from PhD (U Michigan) of Dr. Phil Brown, longtime Professor of Geology at University of Wisconsin-Madison. Copy of field notes shown in photo below.Rock NamemarbleDistrictTungsten HillsMinePine CreekExternal LinkMindatGeo-Location207, 5thDeposit TypeSkarnThin SectionBox 9, slots 96-97Geo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience