Chalcopyrite | Copper Ore, Sulfide Ore, Pyrite | Britannica
https://www.britannica.com/science/chalcopyrite
Webchalcopyrite, the most common copper mineral, a copper and iron sulfide, and a very important copper ore. It typically occurs in ore veins deposited at medium and high temperatures, as in Río Tinto, Spain; Ani, Japan; Butte, Mont.; and Joplin, Mo. Chalcopyrite (Cu 2 Fe 2 S 4) is a member of a group of sulfide minerals that crystallize in the ...
DA: 53 PA: 36 MOZ Rank: 83