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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Cape York
Carlton iron meteorite
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Estherville meteorite
Folded anorthosite
Fort Stockton
Freedom Diamond
Hemimorphite
Homestead
Johnstown
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Topaz Gems
Topaz Pendant
Tugtupite
Zagami
Zircon (var. cyrtolite)
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