Specimen Number41-5-017Alternate Number82-34-3CommentsHeavily pyritized and altered dacite.In Teaching CollectionNoMineral(s)carbonatequartzchloritepyriteRock Namealtered volcanicDistrictTimiskamingMineKerr-AddisonExternal LinkMindatDeposit TypeOrogenicGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience