Specimen Number36-8-010Alternate Number52-34-11CommentsCarbonaceous Ag ore; cards suggest silver-rich material is in black sooty masses, but XRD of that material shows only quartz + calcite + pyrite (see XRD pattern below).In Teaching CollectionNoMineral(s)quartzcalcitepyriteRock NameAg oreDistrictAspenMineDurantExternal LinkMindatDeposit TypeReplacementGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
36-8-010: Ag ore - Aspen District - Durant Mine. Franklin College Collections, accessed 12/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/56567