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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
Cornetite
Ensisheim
Fluorite with quartz
Fluorites
Juvinas
Kyanite schist
Limestone with chert
Magnetite
Malachite
Malachite slab
Metatorbernite
Milarite with chlorite
Olivine-basalt drill core
Opal
Opal bone
Orgueil meteorite
Orthoclase (var. adularia)
Peridotite xenoliths in basalt
Pyromorphite
Quartz (var. amethyst)
Quartz (var. smoky quartz)
Quartz Gems
Quartz on siderite
Quinn Canyon
Roebling Opal
Sandstone
Siderite
Staurolite
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