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  A rock costing $250 million found in Brazil! Read what makes it so expensive

  Blah | May 24, 2017, 04:13 PM IST

  It's not a normal rock. There's something special about it that it costs $250 million!

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  5,000-carat emerald found in Russia

  World | Mar 23, 2013, 11:08 AM IST

  Beijing, March 23: A state-owned miner in Russia has claimed to have unearthed a unique emerald weighing 5,000 carats at a deposit in the Urals."It is an extremely beautiful rock chip sample of emerald," said