Specimen Number35-1-014Alternate NumberS-12CommentsMagnetite + chalcopyrite high-grade ore; magnetite is fine-grained with blebs of chalcopyrite + bornite, covellite coats both sulfide phases. Light colored clots of tremolite.In Teaching CollectionNoMineral(s)magnetitechalcopyritebornitecovellitetremoliteRock NameFe-Cu oreDistrictGrasbergMineErtsbergExternal LinkMindatDeposit TypePorphyry Au-CuGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
35-1-014: Fe-Cu ore - Grasberg District - Ertsberg Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54438