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Smithsonian National Museum of Natural History
GeoGallery
Breadcrumb
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Beryl
Beryl (var. heliodor)
Bununu
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Gypsum with sulphur
Kyanite
Kyanite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Phosgenite
Quartz (var. amethyst)
Quartz with dumortierite
Rutile
Sulfur
Unusual Gems
Vigarano
Zagami
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