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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Attaway Ametrine
Banded iron formation
Baryte
Baryte with calcite
Bismuth
Dolerite
Dyber Ametrine
Kyanite after andalusite
Olivine-gabbro
Paravauxite
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Stalagmite
Staunton
Unusual Gems
Vanadinite with romanechite
Vivianite with pyrite
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