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Smithsonian National Museum of Natural History
GeoGallery
Breadcrumb
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GeoGallery
Attaway Ametrine
Banded iron formation
Beryl (var. emerald)
Bismuth
Carlton iron meteorite
Dyber Ametrine
Farmville
Fort Stockton
Granite block
Olivine-gabbro
Paravauxite
Phosphophyllite
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Quartz Pendant
Southwest Sunset
Topaz Gems
Topaz Pendant
Unusual Gems
Vanadinite with romanechite
Vivianite with pyrite
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