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Smithsonian National Museum of Natural History
GeoGallery
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Afghanite with calcite
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Arkose
Augen gneiss block
Basalt bomb
Basaltic cinder
Bastnäsite with quartz
Beryl
Beryl (var. heliodor)
Bununu
Chrome Diopside
Corundum (var. ruby)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaites
Fluorite
Galena with chalcopyrite, sphalerite, and others
Hemimorphite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Muscovite schist
Nautilus Tourmaline Pendant
Nigerian tourmalines
Perovskite
Picasso Kunzite Necklace
Platinum nugget
Pollucite
Pyritic slate
Pagination
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