INDIAN GEOGRAPHY

MINERAL AND ENERGY RESOURCES IN INDIA

MINERALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Out of the following, which mineral is called ‘Brown diamond’?
A
Iron ore
B
Lignite
C
Manganese
D
Mica
Explanation: 

Detailed explanation-1: -The correct answer is Lignite. Lignite is known as Brown Diamond.

Detailed explanation-2: -The element responsible for yellow or brownish coloring is nitrogen, an impurity contained in yellow diamonds. A brown diamond also gets much of its distinctive color from the light absorbed by structural defects in the crystal.

There is 1 question to complete.