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DefintionHistoryFamous EmeraldsCultural & /mythicalSynthetic Emeralds |
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| The Gachala Emerald |
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 Colom http://delosangelesstore.com/administ/manage_education.php?mode=edit&id=3
Editbia 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.
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| The Chalk Emerald |
The Chalk Emerald is a 37.82 carat (7.564 g) Colombian emerald.
It originally weighed 38.40 carats (7.68 g), but was recut and set in a ring, where it is surrounded by sixty pear-shaped diamonds (totalling 15 carats (3 g)), by Harry Winston Inc. The ring is housed in the National Gem and Mineral Collection at the Smithsonian Natural History Museum in the United States and was donated to the museum by Mr. and Mrs. O. Roy Chalk in 1972.
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