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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl
Beryl (var. heliodor)
Black Opal Ring
Bununu
Cafarsite
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with quartz
Fluorites
Gypsum with sulphur
Kyanite schist
Magnetite
Milarite with chlorite
Nautilus Tourmaline Pendant
Nephrite Perfume Bottle
Nigerian tourmalines
Opal
Opal Peacock Brooch
Orthoclase (var. adularia)
Phosgenite
Pyromorphite
Quartz (var. smoky quartz)
Quartz Gems
Siderite
Sulfur
Tiffany Opal Necklace
Unusual Gems
Unusual Gems
Vigarano
Zagami
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