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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Abee
Acasta Gneiss
African Gems
Beryl
Beryl (var. emerald)
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Chabazite
Corundum (var. sapphire)
Demantoid with serpentine
Dolomite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elpidite with pyrite
Ethiopian Opals
Georgina Emerald
Grossular Garnets
Gypsum with sulphur
Labradorite Carving
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Phosgenite
Spessartine
Sulfur
Unusual Gems
Vigarano
Pagination
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