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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Chinguetti
Dolerite
Elbaite
Elbaite
Elbaites
Granite
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Havey Tourmaline
Kyanite after andalusite
Stalagmite
Staunton
Staurolite schist
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