Specimen Number36-6-012Alternate Number17544CommentsWeathered black layer is acanthite, should confirm with XRD.In Teaching CollectionNoMineral(s)limoniteacanthiteRock NameAg oreDistrictBisbeeMineHolbrookExternal LinkMindatDeposit TypeReplacementGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
36-6-012: Ag ore - Bisbee District - Holbrook Mine. Franklin College Collections, accessed 14/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/55499