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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Andalusite with quartz, muscovite, and biotite
Attaway Ametrine
Bismuth
Calcite
Carlton iron meteorite
Dyber Ametrine
Elbaite
Elbaite
Fort Stockton
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Paravauxite
Phosphophyllite
Plainview
Plantersville
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Topaz Gems
Topaz Pendant
Vivianite with pyrite
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