Specimen Number48-5-034Alternate Number78-435CommentsDark gray biotite-bearing foliated quartzite.In Teaching CollectionNoMineral(s)quartzbiotitepyritepyrrhotiteRock NamequartziteDistrictTungsten HillsMinePine CreekExternal LinkMindatGeo-LocationWest side of large pendant block below Upper Brownstone.Deposit TypeSkarnGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience