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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Carmen LĂșcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Danburite
Hemimorphite
Jadeite
Jadeitite
Johnstown
Labradorite Sunstone
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Moonstone
Oregon Sunstones
Peridot gemstones
Petalite
Poudretteite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Scapolite
Spinel Bracelet
Spinels
Star of Asia
Sunstones
Under the Sea Sunstone Carving
Willamette
Zircon (var. cyrtolite)
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