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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Attaway Ametrine
Beryl
Beryl (var. aquamarine)
Beryl (var. emerald)
Beryl (var. green beryl)
Beryl (var. heliodor)
Bismuth
Bununu
Bustee
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Corundum (var. sapphire)
Demantoid with serpentine
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Gypsum with sulphur
Hope Diamond
Mesolite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paravauxite
Phosgenite
Phosphophyllite
Quartz (var. ametrine)
Quartz (var. dendritic agate)
Quartz Gems
Shergotty
Southwest Sunset
Spessartine
Sulfur
Pagination
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