Occurs in Pinal County. Common in Arizona.
Chemical Formula: Cu5FeS4
Specific Gravity: 4.9-5.3
Bornite, also known as peacock ore, is a copper iron sulfide mineral. It has a metallic Luster and exhibits iridescent colors, resembling the feathers of a peacock.
Bornite is an important copper mineral commonly found in Arizona copper deposits. Bornite occurs alongside chalcopyrite and other copper-bearing minerals.
Next Pinal County mineral: Braunite