Question

Which among the following sets of elements is present in chalcopyrite?

Options

• Al, O

• Cu, Fe, S

• Al, Fe, O

• Fe, S

Answer 1

Cu, Fe, S

Explanation:

Cu, Fe, and S are among the elements found in chalcopyrite. It's a copper iron sulphide mineral with a tetragonal crystal structure. CuFeS₂ is the chemical formula for it. It is brassy to golden yellow in colour and has a Mohr hardness of 3.5 to 4. It has a distinctive green-tinged black stripe.