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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
Beryl (var. heliodor)
Calcite
Clinohumite
Corundum (var. ruby)
Fluorites
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Monazite
Olivine-basalt drill core
Peekskill
Peridot gemstones
Peridotite xenoliths in basalt
Quartz (var. amethyst)
Spinel
Spinel
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