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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Albite (var. moonstone)
Almandine schist
Amazonite
Apophyllite with prehnite
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Calcite
Corundum (var. sapphire)
Dolerite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with calcite
Fluorites
Kyanite after andalusite
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peekskill
Pyrite
Spessartine
Sphalerite
Stalagmite
Staunton
Unusual Gems
Zagami
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