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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Aurichalcite with hemimorphite
Beryl
Bismuth
Campo del Cielo iron meteorite
D'Orbigny
Demantoid with serpentine
Dragonfly Box
Dyber Ametrine
Esquel pallasite
Gypsum with sulphur
Muscovite schist
Paravauxite
Phosgenite
Phosphophyllite
Pyritic slate
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite
Sandstone
Southwest Sunset
Sulfur
Unusual Gems
Vigarano
Vivianite with pyrite
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