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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Almandine schist
Andradite (var. demantoid)
Andradite (var. demantoid)
Calcite with duftite
Demantoid Bracelet
Demantoid with serpentine
Descloizite in dolomite
Fluorites
Gypsum with sulphur
Hoba
Hoba
Jeremejevite
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Paragould
Phosgenite
Phosgenite
Smithsonite
Smithsonites
Spessartine
Success meteorite
Sulfur
Tennantite
Uncle Sam Diamond
Unusual Gems
Unusual Gems
Vigarano
Wulfenite
Yellow diamond crystal
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