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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Aragonite (var. flos ferri)
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Basalt drill core
Basalt drill core
Basalt drill core
Basalt lava
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Cuprite on copper
Elbaite
Elbaite
Fire agate
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
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. amethyst)
Quartz (var. landscape agate)
Quartz Gems
Smithsonite
Smithsonites
Unusual Gems
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