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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Baryte with berthierite
Beryl (var. aquamarine)
Bismuth
Cronstedtite
Demantoid with serpentine
Dyber Ametrine
Fluorite
Gypsum with sulphur
Mezö-Madaras
Monazite
Paravauxite
Peridot gemstones
Phosgenite
Phosphophyllite
Platinum nugget
Quartz (var. ametrine)
Quartz Gems
Russian chrysoberyls
Southwest Sunset
Spinels
Sulfur
Sylvanite
Unusual Gems
Vigarano
Vivianite with pyrite
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