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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Maximilian Emerald
Mogul Emerald Necklace
Moonstone
Nautilus Tourmaline Pendant
Nigerian tourmalines
Parisite with calcite
Peridot gemstones
Petalite
Phosgenite
Post Emerald Necklace
Poudretteite
Scapolite
Smithsonite
Sokol Emerald Necklace
Spessartine
Spessartine
Spinel Bracelet
Spinels
Star of Asia
Tennantite
Unusual Gems
Wulfenite
Zagami
Pagination
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