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Smithsonian National Museum of Natural History
GeoGallery
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Basalt drill core
Basalt drill core
Basalt drill core
Calcite
Ensisheim
Fluorites
Juvinas
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Olivine-basalt drill core
Orgueil meteorite
Peekskill
Peridotite xenoliths in basalt
Pyromorphite
Quartz on siderite
Staurolite
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