Specimen Number33-1-011Alternate Number56-4-57CommentsAltered ijolite, melilite + garnet. XRD confirms garnet is dark phase (see pattern below), mellilite is assumed to be pink phase but should be confirmed.In Teaching CollectionNoMineral(s)melilitegarnetRock Namealtered ijoliteDistrictPowderhornMineIron Hill, COExternal LinkMindatDeposit TypeCarbonatiteGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
33-1-011: altered ijolite - Powderhorn District - Iron Hill, CO Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/53846