Specimen Number37-4-001Alternate Number61166CommentsBreccia, clasts of fine-grained acanthite in strongly argillized matrix that contains abundant malachite. Should XRD to confirm both acanthite and malachite.In Teaching CollectionNoMineral(s)acanthiteclaymalachiteRock NameAg oreDistrictChihuahuaMineDolores, ChihuahuaExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
37-4-001: Ag ore - Chihuahua District - Dolores, Chihuahua Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/56755