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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Baryte with berthierite
Beryl
Beryl (var. heliodor)
Bununu
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Corundum (var. sapphire)
Cronstedtite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Galena with pyrite and marcasite
Garnetiferous schist
Granite block
Kyanite schist
Mezö-Madaras
Missouri River Sapphires
Monazite
Montana Sapphires
Nautilus Tourmaline Pendant
Nigerian tourmalines
Pegmatite
Peridot gemstones
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Sylvanite
Veszelyite
Zagami
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