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Smithsonian National Museum of Natural History
GeoGallery
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Andradite (var. demantoid)
Andradite (var. demantoid)
Barite
Barite
Beryl (var. heliodor)
Corundum (var. padparadscha sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Diaspore
Gold
Havey Tourmaline
Kyanite
Missouri River Sapphires
Petersen Tanzanite Brooch
Quartz (var. amethyst)
Rock Creek Sapphires
Tiffany Opal Necklace
Titanite
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