Specimen Number33-1-005Alternate Number56-4-51CommentsAltered umcompahgrite; fine-grained diopside + colorless garnet + vesuvianite + melilite + magnetite. XRD confirms all 5 of these phases, as well as apatite (see patterns below).In Teaching CollectionNoMineral(s)melilitediopsidegarnetvesuvianitemagnetiteapatiteRock NameuncompahgriteDistrictPowderhornMineIron Hill, COExternal LinkMindatGeo-LocationSW of BC Forks.Deposit TypeCarbonatiteGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
33-1-005: uncompahgrite - Powderhorn District - Iron Hill, CO Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/53839