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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
Cafarsite
Fluorite with quartz
Fluorites
Galena with pyrite and marcasite
Kyanite schist
Kyanite with biotite
Magnetite
Milarite with chlorite
Olivine-basalt drill core
Orthoclase (var. adularia)
Peridotite xenoliths in basalt
Quartz (var. smoky quartz)
Quartz Gems
Siderite
Weston
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