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Smithsonian National Museum of Natural History
GeoGallery
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Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Arkose
Augen gneiss block
Aurichalcite with hemimorphite
Basalt bomb
Basaltic cinder
Beryl
Beryl
Beryl (var. heliodor)
Bununu
Chrome Diopside
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with calcite
Fluorites
Freedom Diamond
Galena with chalcopyrite, sphalerite, and others
Hemimorphite
Johnstown
Manganoan calcite
Marie Louise Diadem
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Perovskite
Platinum nugget
Pyrite
Pyrrhotite
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Pagination
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