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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Calcite
Calcite
Carmen Lúcia Ruby
Cat's Eyes
Corundum (var. sapphire)
Danburite
Dolomite
Fire Opal
Fire Opal
Grossular Garnets
Hemimorphite
Hologem Fire Opal Pendant
Jadeite
Labradorite Carving
Moonstone
Nephrite Bowl
Opal (var. hyalite)
Opals
Peridot gemstones
Petalite
Poudretteite
Scapolite
Spinel Bracelet
Spinels
Star of Asia
Topaz
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