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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Aragonite (var. flos ferri)
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Banded iron formation
Basalt lava
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Cuprite on copper
Fire agate
Galena with pyrite and marcasite
Olivine-gabbro
Peridot gemstones
Peridot in Basalt
Peridotite xenolith
Peridotite xenolith in basalt
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. landscape agate)
Rhodochrosite with arsenopyrite
Smithsonite
Smithsonites
Unusual Gems
Wulfenite
Wulfenite
Wulfenite
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