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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Amphibole-rock
Apophyllite with prehnite
Attaway Ametrine
Beryl
Beryl (var. heliodor)
Bismuth
Bununu
Chinguetti
Corundum (var. sapphire)
Demantoid with serpentine
Dolerite
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Garnetiferous schist
Granite block
Gypsum with sulphur
Kyanite after andalusite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paravauxite
Pegmatite
Phosgenite
Phosphophyllite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Stalagmite
Staunton
Sulfur
Unusual Gems
Vigarano
Pagination
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