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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Amphibole-rock
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaites
Garnetiferous schist
Granite
Granite block
Havey Tourmaline
Hubnerite with quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Pegmatite
Rhodochrosite with quartz
Rhodonite
Spessartine
Staurolite schist
Tetrahedrite
Zagami
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