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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
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
Freedom Diamond
Galena with chalcopyrite, sphalerite, and others
Hemimorphite
Johnstown
Lafayette
Lafayette
Manganoan calcite
Marcasite
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Pearl and Peridot Haircomb
Perovskite
Platinum nugget
Pyrrhotite
Quartz (var. agate)
Pagination
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