Specimen Number32-10-006Alternate Number56-4-6CommentsCountry rock to carbonate veins. XRD (see pattern below) shows biotite + dolomite + richterite.In Teaching CollectionNoMineral(s)biotitedolomiterichteriteRock NamehornfelsDistrictPowderhornMineIron Hill, COExternal LinkMIndatGeo-Location3' from carbonate vein.Deposit TypeCarbonatiteGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
32-10-006: hornfels - Powderhorn District - Iron Hill, CO Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/53791