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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amethyst Heart Brooch
Apatite
Chalk Emerald
Chrysoberyl
Demantoid Bracelet
Diaspore
Elbaite
Fire Opal
Gachala Emerald
Hydroxylherderite
Jadeite Dragon Vase
Kyanite
Maharaja of Indore Necklace
Quartz (var. amethyst)
Scapolite
Scapolite
Spessartine
Triplite
Zoisites
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