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Smithsonian National Museum of Natural History
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Andradite (var. demantoid)
Andradite (var. demantoid)
Barite
Barite
Beryl (var. heliodor)
Beryl (var. heliodor)
Blue Heart Diamond
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Danburite
Diamond Ring
Diaspore
Elbaite
Elbaite
Gold
Havey Tourmaline
Kyanite
Lacloche Diamond Bracelet
Marie Antoinette Diamond Earrings
Marquise Diamond Ring
Maximilian Emerald
Missouri River Sapphires
Mogul Emerald Necklace
Oppenheimer Diamond
Post Emerald Necklace
Poudretteite
Quartz (var. amethyst)
Rock Creek Sapphires
Rock Crystal Quartz Egg
Sokol Diamond Necklace
Sokol Emerald Necklace
Spinel
Spodumene (var. kunzite)
Tiffany Amethyst Necklace
Tiffany Diamond and Ruby Bracelet
Tiffany Diamond Bracelet
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