It is one of the most beautiful green-color precious stone.The green color of the gemstone comes from the chromium impurities in the natural structure of the stone. Natural emerald stone is famous because of its natural green color. The popularity of Emerald gem has been increases with the time. The emerald stone mines can be find in different countries like Brazil, Russia, India, Pakistan, Zambia, Sri Lanka, South America, Colombia etc. but the best mines of emerald stones that are famous worldwide are Colombia, Zambia and Brazil.
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