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At 1.2 kg (2.6 pounds), this is the largest free form black opal in the world, discovered by a miner in Lightning Ridge, Australia.
Photography courtesy of Christine Roussel.
acidholic
At 1.2 kg (2.6 pounds), this is the largest free form black opal in the world, discovered by a miner in Lightning Ridge, Australia.
Photography courtesy of Christine Roussel.
