Specimen Number41-10-012Alternate NumberME 74CommentsDark brown altered andesite, with abundant small vesicles.In Teaching CollectionNoMineral(s)plagioclasechloritehematiteRock Namealtered andesiteDistrictCyprusMineMemiExternal LinkMindatDeposit TypeVMSGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience