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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Apatite
Arkose
Augen gneiss block
Basalt bomb
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Chrome Diopside
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaite Carving
Freedom Diamond
Galena with chalcopyrite, sphalerite, and others
Grossular (var. tsavorite) and Elbaite
Hemimorphite
Johnstown
Kyanite with biotite
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Pagination
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