Specimen Number36-4-026Alternate Number52-33-2CommentsInjection gneiss, preCambrian.In Teaching CollectionNoMineral(s)k-sparquartzbiotiteRock NamegneissDistrictIdaho SpringsExternal LinkMindatGeo-LocationSpecific mine within district unknown.Deposit TypeVeinDonated ByUniversity of Wisconsin-Madison Department of Geoscience
36-4-026: gneiss - Idaho Springs District - Unknown Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/55004