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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Baryte with berthierite
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Corundum (var. sapphire)
Cronstedtite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Freedom Diamond
Hemimorphite
Johnstown
Labradorite Sunstone
Manganoan calcite
Mezö-Madaras
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
Sunstones
Sylvanite
Under the Sea Sunstone Carving
Willamette
Zagami
Zircon (var. cyrtolite)
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