Image credit: Krohsnest.net
The uncut Gachala emerald is said to be one of the most beautiful emerald gemstones ever known. Also one of the world’s largest weighing at an astounding 858 carats, this gem-quality treasure was discovered in 1967 at the Vega de San Juan mine in Columbia.
Named after the district in the mine it was located, the uncut gem is dark vivid green in color and slightly bigger than a golf ball – 5 X 5 cm. The Gachala is now making its home at the National Museum of Natural History, part of the Smithsonian Institute of Washinton, D.C. It was donated in 1969 by Harry Winston, the famed New York jeweler.
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