Gachala Emerald: Difference between revisions
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Revision as of 05:41, 15 October 2007
The Gachala Emerald, an uncut 5-cm emerald crystal weighing 858 carats (172 g). The stone was found in 1967 at Vega de San Juan mine in Colombia and is named after the mining district where it was discovered. Now in the United States, it was donated to the Smithsonian Institution by the New York jeweler, Harry Winston.
