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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amblygonite
Attaway Ametrine
Calcite
Cordierite (var. iolite)
Cullinan Blue Diamond Necklace
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Ethiopian Opals
Fluorite
Fluorite
George Pendant
Grossular (var. tsavorite)
Hall Sapphire Necklace
Hazen Diamond Necklace
Hologem Fire Opal Pendant
Moonstone
Nautilus Tourmaline Pendant
Nifontovite
Opal
Opal
Opal
Pentahydroborite
Peridot
Pyrope (var. rhodolite)
Quartz
Quartz
Royal Butterfly Brooch
Scapolite
South Sea Pearl Ring
Spessartine
Spinel
Spinel
Whitney Alexandrite
Yowah Opal Nut
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