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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Alexandrites
Apatite
Aragonite (var. flos ferri)
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Basalt lava
Beryl
Beryl ( var. trapiche emerald)
Beryl (var. heliodor)
Bununu
Calcite
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Cat's Eyes
Chalk Emerald
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Cuprite on copper
Dravite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
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