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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Bismarck Sapphire Necklace
Black Opal Ring
Calcite
Enstatite
Fluorite
Gachala Emerald
Jadeite Dragon Vase
Labradorite Carving
Opal
Phosgenite
Post Diamond Tiara
Quartz (var. amethyst)
Rhodonite
Rutile
Titanite
Topaz
Tugtupite
Väyrynenite
Whitney Flame Topaz
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