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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Baryte
Calcite
Dolerite
Fluorite
Fluorite with calcite
Fluorite with calcite and chalcopyrite
Fluorites
Kyanite after andalusite
Pyrite
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz Gems
Sphalerite
Stalagmite
Staunton
Unusual Gems
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