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The Gachala Emerald is 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.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Gachala_Emerald". A list of authors is available in Wikipedia.|