UPSC Geography Minerals and Energy Resources Question Bank Mineral Resource, Industries Population Multipurpose Projects of India

  • question_answer Which one of the following minerals is known as brown diamond?

    A)  Iron                             

    B)  Manganese

    C)  Lignite      

    D)  Mica

    Correct Answer: C

    Solution :

     Lignite is often known as Brown diamonds are the most common color variety of natural diamonds. In most mines, brown diamonds account for 15% of production

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