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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Arkose
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Chabazite
Corundum (var. sapphire)
Dolerite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Estherville meteorite
Freedom Diamond
Hemimorphite
Homestead
Johnstown
Kyanite after andalusite
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Prehnite
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Stalagmite
Staunton
Unusual Gems
Unusual Gems
Zagami
Pagination
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