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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Basalt drill core
Basalt drill core
Basalt drill core
Campo del Cielo iron meteorite
D'Orbigny
Dragonfly Box
Esquel pallasite
Limestone with chert
Olivine-basalt drill core
Opal
Opal bone
Peridotite xenoliths in basalt
Quartz (var. amethyst)
Quinn Canyon
Rhodochrosite
Roebling Opal
Sandstone
Unusual Gems
Vanadinite with romanechite
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