Metallic minerals belong to which category with respect to colour?
A. Idiochromatic
B. Pseudochromatic
C. Allochromatic
D. Iridescence
Answer:A
Metallic minerals belong to which category with respect to colour?
A. Idiochromatic B. Pseudochromatic C. Allochromatic D. Iridescence
Explanation: Idiochromatic having a characteristic, fairly constant colour related primarily to the composition of mineral. Metallic minerals belong to this category.