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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Apatite
Attaway Ametrine
Chalk Emerald
Chrysoberyl
Cordierite (var. iolite)
Demantoid Bracelet
Diaspore
Diopside
Dyber Ametrine
Elbaite
Emerald Carving
Fire Opal
George Pendant
Hologem Fire Opal Pendant
Hydroxylherderite
Kyanite
Maharaja of Indore Necklace
Nigerian tourmalines
Opal
Opal
Quartz (var. amethyst)
Scapolite
Scapolite
Spessartine
Topaz
Triplite
Zoisites
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