Specimen Number36-4-027Alternate Number52-33-3CommentsMonzonite porphyry, Tertiary.In Teaching CollectionNoMineral(s)k-sparplagioclasehornblendeRock NamemonzoniteDistrictIdaho SpringsExternal LinkMindatGeo-LocationSpecific mine within district unknown.Deposit TypeVeinDonated ByUniversity of Wisconsin-Madison Department of Geoscience
36-4-027: monzonite - Idaho Springs District - Unknown Mine. Franklin College Collections, accessed 12/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/55005