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Smithsonian Gem & Mineral Collection
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| The Smithsonian's gem and mineral collection includes a number of exceptional emeralds. Particularly notable is the 168-carat Columbian pendant of the Anna Case McKay necklace. It may be the largest fine-gem emerald that is set in a piece of jewelry. Smithsonian's National Museum of Natural History. |
| Last modified 2026-08-09 MZ |
Smithsonian photos by Dane A. Penland Copyright 1992 Smithsonian Institution |
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