Specimen Number41-5-021Alternate Number82-34-7CommentsHeavily pyritized and altered dacite.In Teaching CollectionNoMineral(s)carbonatequartzchloritepyriteRock Namealtered volcanicDistrictTimiskamingMineKerr-AddisonExternal LinkMindatDeposit TypeOrogenicGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience