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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
Beryl
Beryl (var. heliodor)
Bismuth
Bununu
Calcite
Corundum (var. sapphire)
Dolerite
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with calcite
Fluorites
Kyanite after andalusite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paravauxite
Phosphophyllite
Pyrite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Sphalerite
Stalagmite
Staunton
Unusual Gems
Vivianite with pyrite
Zagami
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