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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Bicolor Elbaite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
DeYoung Pink Diamond
DeYoung Red Diamond
Dyber Ametrine
George Pendant
Labradorite Carving
Moonstone Carving
Opals
Spinels
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