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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
Corundum (var. sapphire)
Cronstedtite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Garnetiferous schist
Granite block
Hubnerite with quartz
Limestone with chert
Mezö-Madaras
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal bone
Paragould
Pegmatite
Quartz (var. amethyst)
Quinn Canyon
Rhodochrosite with quartz
Rhodonite
Roebling Opal
Sandstone
Smithsonites
Success meteorite
Sylvanite
Tetrahedrite
Uncle Sam Diamond
Yellow diamond crystal
Zagami
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