Specimen Number35-6-036Alternate Number17176CommentsMassive pyrite with quartz vein, minor chalcocite.In Teaching CollectionNoMineral(s)pyritequartzchalcociteField NotesNo mine specified, so can only say for sure that samples are from "Butte".Rock NameCu oreDistrictButteExternal LinkMindatDeposit TypePorphyry CopperDonated ByUniversity of Wisconsin-Madison Department of GeoscienceReference MaterialACL-125: Miller, R.N., ed., 1973, Guidebook for the Butte Field Meeting of Society of Economic Geologists, Butte, Montana, August 18-21, 1973.
35-6-036: Cu ore - Butte District - Unknown Mine. Franklin College Collections, accessed 14/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54621