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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aragonite (var. flos ferri)
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Baryte
Basalt drill core
Basalt drill core
Basalt drill core
Basalt lava
Calcite
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Cuprite on copper
Fire agate
Fluorite
Fluorite
Fluorites
Hematite
Olivine-basalt drill core
Peridot gemstones
Peridot in Basalt
Peridotite xenolith
Peridotite xenolith in basalt
Peridotite xenoliths in basalt
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. landscape agate)
Smithsonite
Smithsonites
Unusual Gems
Wulfenite
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