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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Aquamarine ring
Attaway Ametrine
Azurite
Basalt
Beryl (var. aquamarine)
Bismuth
Calcite
Calcite
Calcite
Carbo
Chalcedony cameo
Chrysoprase snuff bottle
Clagett Bracelet
Corundum (var. sapphire)
Corundum (var. star ruby)
DeYoung Red Diamond
Diamond and Sapphire Ring
Diamond Bracelet
Diamond Ring
Diamond Tiara Bracelet
Dunn Pearl Necklace
Dyber Ametrine
Elbaite
Fire Opal
Fire Opal
Gypsum
Gypsum
Gypsum
Hall Sapphire Necklace
Hazen Diamond Necklace
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Hooker Yellow Diamonds
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