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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Andradite (var. demantoid)
Andradite (var. demantoid)
Beryl (var. aquamarine)
Beryl (var. green beryl)
Calcite
Calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Demantoid Bracelet
Fire Opal
Fire Opal
Fluorites
Hemimorphite
Hologem Fire Opal Pendant
Hope Diamond
Jeremejevite
Opal (var. hyalite)
Opals
Phosgenite
Quartz (var. amethyst)
Quartz (var. dendritic agate)
Topaz
Unusual Gems
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