Specimen Number30-8-018CommentsAltered footwall rhyolitic ash siltstone, minor disseminated pyrite.In Teaching CollectionNoMineral(s)quartzbiotitefeldsparpyriteRock Namealtered rhyoliteDistrictStollbergMineDammbergetExternal LinkMindatDeposit TypeSVALSThin SectionBox 9, slot 28Geo-Coords[1] Donated ByFrom the research collection of Dr. Paul Spry