Specimen Number34-7-029Alternate Number18776CommentsPhyllically-altered quartz monzonite, argillic overprint. Abundant disseminated chalcocite, as well as several thin stockworks with chalcocite.In Teaching CollectionNoMineral(s)quartzfeldsparsericiteclaychalcociteRock NameCu oreDistrictBisbeeMineNeptuneExternal LinkMindatDeposit TypeReplacementGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
34-7-029: Cu ore - Bisbee District - Neptune Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54280