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