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Smithsonian National Museum of Natural History
GeoGallery
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Amphibole-rock
Basalt drill core
Basalt drill core
Basalt drill core
Garnetiferous schist
Granite block
Kermesite with senarmontite and dolomite
Magombedze
Olivine-basalt drill core
Pegmatite
Peridotite xenoliths in basalt
Titanite
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