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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Apatite
Calcite
Demantoid Bracelet
Diaspore
Elbaite
Enstatite
Fire Opal
Fluorite
Grossular Garnet
Hall Sapphire Necklace
Hazen Diamond Necklace
Hydroxylherderite
Kyanite
Opal
Phosgenite
Quartz (var. amethyst)
Quartz (var. amethyst)
Rhodonite
Rutile
Scapolite
Scapolite
Spessartine
Titanite
Topaz
Triplite
Tugtupite
Turquoise Zuni Bracelet
Väyrynenite
Whitney Flame Topaz
Wilkinson Diamond Ringdant
Zoisites
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