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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Campo del Cielo iron meteorite
D'Orbigny
Dragonfly Box
Esquel pallasite
Freedom Diamond
Hemimorphite
Johnstown
Labradorite Sunstone
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Monazite
Oregon Sunstones
Peridot gemstones
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rhodochrosite
Sunstones
Under the Sea Sunstone Carving
Willamette
Zircon (var. cyrtolite)
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