Q. Which one of the following ore minerals shows internal reflection?
(A) Orpiment (B) Magnetite (C) Pyrite (D) Molybdenite
Ans: Orpiment
Q. Which one of the following ore minerals shows internal reflection?
(A) Orpiment (B) Magnetite (C) Pyrite (D) Molybdenite
Ans: Orpiment