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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Arkose
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Freedom Diamond
Hemimorphite
Johnstown
Labradorite Sunstone
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oregon Sunstones
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rose City
Spessartine
Sunstones
Under the Sea Sunstone Carving
Willamette
Zagami
Zircon (var. cyrtolite)
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