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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Apatite
Calcite
Corundum (var. ruby)
Dark Jubilee Opal
Demantoid Bracelet
Diamond and Sapphire Ring
Diamond Bracelet
Diaspore
Diopside
Elbaite
Emerald Carving
Enstatite
Fire Opal
Fluorite
Hydroxylherderite
Ivory Camels
Kyanite
Nephrite
Nigerian tourmalines
Opal
Owl Brooch
Pearl and Diamond Ring
Phosgenite
Quartz (var. amethyst)
Quartz (var. amethyst)
Rhodonite
Rutile
Scapolite
Scapolite
Spessartine
Titanite
Topaz
Topaz
Triplite
Tugtupite
Väyrynenite
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