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