Specimen Number35-7-028Alternate Number51-26-8CommentsSmall sample; chalcocite + covellite + pyrite + chalcopyrite + enargite + quartz, with terminated quartz crystals on one face.In Teaching CollectionNoMineral(s)chalcocitecovellitepyritechalcopyriteenargitequartzRock NameCu oreDistrictButteDeposit 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.
35-7-028: Cu ore - Butte District - Unknown Mine. Franklin College Collections, accessed 13/11/2025, https://digitalcollections.franklin.uga.edu/nodes/view/54675