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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Basalt bomb
Beryl
Beryl (var. heliodor)
Bununu
Chrome Diopside
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ensisheim
Estherville meteorite
Galena with chalcopyrite, sphalerite, and others
Homestead
Juvinas
Limestone with chert
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal bone
Orgueil meteorite
Perovskite
Platinum nugget
Pyromorphite
Pyrrhotite
Quartz (var. amethyst)
Quartz on siderite
Quinn Canyon
Roebling Opal
Russian beryls
Russian chrysoberyls
Sandstone
Sikhote-Alin
Pagination
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