Specimen Number30-6-005Alternate NumberEHB-30-36CommentsQuartzofeldspathic gneiss with interesting magnetite-cored feldspar.In Teaching CollectionNoMineral(s)quartzk-sparmuscovitemagnetiteRock NamegneissDistrictCotopaxiMineCotopaxiExternal LinkMindatDeposit TypeMetamorphosed VMSGeo-Coords[1] Donated ByFrom the research collection of Dr. Paul Spry