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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Basalt drill core
Basalt drill core
Basalt drill core
Calcite
Cape York
Dolerite
Fluorites
Folded anorthosite
Kyanite after andalusite
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Olivine-basalt drill core
Peekskill
Peridotite xenoliths in basalt
Rhodochrosite with arsenopyrite
Stalagmite
Staunton
Tugtupite
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