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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Beryl
Beryl (var. heliodor)
Bununu
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite
Galena with pyrite and marcasite
Garnetiferous schist
Granite block
Kyanite schist
Millerite
Missouri River Sapphires
Montana Sapphires
Nautilus Tourmaline Pendant
Nifontovite
Nigerian tourmalines
Pegmatite
Pentahydroborite
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Stibnite
Topaz Gems
Veszelyite
Zagami
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