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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Aragonite (var. flos ferri)
Aurichalcite with hemimorphite
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Basalt bomb
Basalt lava
Beryl
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Chrome Diopside
Corundum (var. sapphire)
Cuprite on copper
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fire agate
Galena with chalcopyrite, sphalerite, and others
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peridot gemstones
Pagination
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