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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Attaway Ametrine
Basalt bomb
Beryl
Beryl (var. heliodor)
Bismuth
Bununu
Chrome Diopside
Corundum (var. sapphire)
Dyber Ametrine
EET 92029,0
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Galena with chalcopyrite, sphalerite, and others
GRO 85201,0
MacAlpine Hills 88105
Miller Range 03346
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paravauxite
PAT 91501,5
PAT 91501,50
Peridot gemstones
Perovskite
Phosphophyllite
Platinum nugget
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Russian beryls
Russian chrysoberyls
Sikhote-Alin
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