Q6. Chalcopyrite and Bournite are
Answers
Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite.
Chalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical formula CuFeS₂. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale. Its streak is diagnostic as green tinged black.
Answer:
Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite. Chalcopyrite and bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits.
Color: Copper red, bronze brown, purple
Luster: Metallic if fresh, iridescent tarnish
Category: Sulfide mineral
Streak: Grayish black
Explanation: