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Smithsonian National Museum of Natural History
GeoGallery
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Andalusite with quartz, muscovite, and biotite
Attaway Ametrine
Bismuth
Campo del Cielo iron meteorite
D'Orbigny
Dragonfly Box
Dyber Ametrine
Esquel pallasite
Paravauxite
Phosphophyllite
Platinum nugget
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite
Russian chrysoberyls
Southwest Sunset
Vivianite with pyrite
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