MINERAL AND ENERGY RESOURCES IN INDIA
MINERALS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Out of the following, which mineral is called ‘Brown diamond’?
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Iron ore
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Lignite
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Manganese
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Mica
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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.
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