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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amethyst Heart Brooch
Andradite (var. demantoid)
Andradite (var. demantoid)
Attaway Ametrine
Barite
Barite
Beryl (var. heliodor)
Calcite
Cordierite (var. iolite)
Corundum (var. sapphire)
Danburite
Diaspore
Dyber Ametrine
Elbaite
Ethiopian Opals
Fluorite
George Pendant
Gold
Grossular (var. tsavorite)
Havey Tourmaline
Hologem Fire Opal Pendant
Kyanite
Missouri River Sapphires
Moonstone
Nifontovite
Opal
Opal
Pentahydroborite
Peridot
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Rock Creek Sapphires
South Sea Pearl Ring
Spessartine
Spinel
Pagination
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