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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Bismarck Sapphire Necklace
Black Opal Ring
Burmese Ruby Bracelet
Carmen LĂșcia Ruby
Cat's Eyes
Chrome Diopside
Corundum (var. sapphire)
Danburite
Dark Jubilee Opal
Fluorite
Fluorite
Fluorites
Jadeite
Moonstone
Opal
Opal
Opal
Opal Peacock Brooch
Peridot gemstones
Petalite
Poudretteite
Scapolite
Spinel Bracelet
Spinels
Star of Asia
Tiffany Amethyst Necklace
Tiffany Opal Necklace
Topaz Gems
Unusual Gems
Yowah Opal Nut
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