Copper Ores Chalcopyrite 2 Bornite 2 Chalcocite
Copper Ores Chalcopyrite 2 Bornite 2 Chalcocite. 201238ment rims of bornite, covellite, or chalcocite on chalcopyrite are frequently observed indicators of incipient supergene alterationhalcocite typically occurs as soft sooty coatings on other mineralsore advanced alteration of primary sulfides results in partial to complete pseudomorphous replacement.