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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Banded iron formation
Campo del Cielo iron meteorite
D'Orbigny
Dragonfly Box
Eclogite
Esquel pallasite
Limestone with chert
Monazite
Olivine-gabbro
Opal
Opal bone
Peridot gemstones
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Rhodochrosite
Roebling Opal
Sandstone
Silver
Silver
Sunstone
Zircon with biotite and feldspar
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