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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Aurichalcite with hemimorphite
Basaltic cinder
Beryl
Beryl
Beryl (var. heliodor)
Bununu
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with calcite
Fluorites
Freedom Diamond
Hemimorphite
Johnstown
Kyanite schist
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Missouri River Sapphires
Montana Sapphires
Nautilus Tourmaline Pendant
Nigerian tourmalines
Pyrite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rock Creek Sapphires
Sandstone
Pagination
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