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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl
Beryl (var. aquamarine)
Beryl (var. heliodor)
Bununu
Calcite
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaites
Fluorite
Fluorite
Fluorites
Granite
Gypsum with sulphur
Havey Tourmaline
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peekskill
Phosgenite
Spinels
Star quartz
Staurolite schist
Sulfur
Unusual Gems
Vigarano
Zagami
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