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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amblygonite
Attaway Ametrine
Cordierite (var. iolite)
Cullinan Blue Diamond Necklace
Diopside
Dyber Ametrine
Elbaite
Elbaite
Emerald Carving
Fluorite
George Pendant
Hologem Fire Opal Pendant
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Quartz
Royal Butterfly Brooch
Scapolite
Thompson Diamonds
Topaz
Yowah Opal Nut
Zircon
Zircon
Zircon
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