Specimen Number35-7-038Alternate Number10581CommentsMassive medium-grained euhedral pyrite.In Teaching CollectionNoMineral(s)pyritequartzRock Namepyrite veinDistrictButteGeo-LocationJunction of stope 22 and 23 near 815.Deposit 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.
35-7-038: pyrite vein - Butte District - Unknown Mine. Franklin College Collections, accessed 10/11/2025, https://digitalcollections.franklin.uga.edu/nodes/view/54680