Specimen Number36-4-024Alternate Number415CommentsPhonolite breccia with thin 0.1 cm veinlets of quartz + pyrite + calaverite.In Teaching CollectionNoMineral(s)nephelinefeldsparquartzpyritecalaveriteRock NameAu oreDistrictCripple CreekMineCressonExternal LinkMindatDeposit TypeDiatremeGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
36-4-024: Au ore - Cripple Creek District - Cresson Mine. Franklin College Collections, accessed 12/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54985