Diamonds, Gold and Coal of India. Diamonds have been treasured as gemstones since their use as religious icons in historical India. Diamonds have been recognized in India for not less than 3,000 years but more than likely 6,000 years. Equally, natural diamonds usually have minor imperfections and flaws, comparable to inclusions of international materials, that are not seen in synthetic diamonds. Diamonds are thought to have been first recognized and mined in India, where vital alluvial deposits of the stone might be found many centuries in the past alongside the rivers Penner, Krishna, and Godavari.
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