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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amblygonite
Beryl (var. aquamarine)
Cullinan Blue Diamond Necklace
Diopside
Elbaite
Elbaite
Elbaite Ring
Emerald Carving
Fluorite
Fluorite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Quartz
Rosser Reeves Star Ruby
Royal Butterfly Brooch
Scapolite
Smithsonites
Topaz
Yowah Opal Nut
Zircon
Zircon
Zircon
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