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Smithsonian National Museum of Natural History
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Beryl (var. morganite)
Beryl (var. morganite)
Beryl (var. morganite)
Beryls
Bicolor Elbaite
Bismarck Sapphire Necklace
Black Opal Ring
Blue Heart Diamond
Burmese Ruby Bracelet
Calcite
Calcite
Calcite
Calcite
Carmen Lúcia Ruby
Cat's Eyes
Chalcedony cameo
Chalk Emerald
Chrome Diopside
Chrysoberyl
Chrysoprase snuff bottle
Clagett Bracelet
Clinohumite
Conch shell cameo
Conchita Montana Sapphire Butterfly
Cordierite (var. iolite)
Cordierite (var. iolite)
Corundum (var. padparadscha sapphire)
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
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