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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Attaway Ametrine
Baryte with berthierite
Beryl
Beryl (var. emerald)
Beryl (var. emerald)
Beryl (var. heliodor)
Bismuth
Bununu
Corundum (var. sapphire)
Cronstedtite
Demantoid with serpentine
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ethiopian Opals
Georgina Emerald
Gypsum with sulphur
Mezö-Madaras
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Paravauxite
Phosgenite
Phosphophyllite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Spessartine
Pagination
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