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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
Baryte with berthierite
Basalt bomb
Beryl (var. aquamarine)
Beryl (var. emerald)
Beryl (var. green beryl)
Bismuth
Chrome Diopside
Cronstedtite
Dyber Ametrine
Ensisheim
Ethiopian Opals
Galena with chalcopyrite, sphalerite, and others
Georgina Emerald
Juvinas
Mezö-Madaras
Opal
Opal
Opal
Opal
Opal
Orgueil meteorite
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyromorphite
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Quartz on siderite
Russian beryls
Russian chrysoberyls
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