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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Afghanite with calcite
Attaway Ametrine
Bastnäsite with quartz
Bismuth
Corundum (var. ruby)
Demantoid with serpentine
Dyber Ametrine
Elbaites
Fluorite
Gypsum with sulphur
Maharaja of Indore Necklace
Paravauxite
Phosgenite
Phosphophyllite
Picasso Kunzite Necklace
Pollucite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Sulfur
Unusual Gems
Vigarano
Vivianite with pyrite
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