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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
Basalt lava
Calcite
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Carlton iron meteorite
Cuprite on copper
Elbaites
Fire agate
Fort Stockton
Granite
Havey Tourmaline
Peridot gemstones
Peridot in Basalt
Peridotite xenolith
Peridotite xenolith in basalt
Plainview
Plantersville
Quartz (var. amethyst)
Quartz (var. landscape agate)
Smithsonite
Smithsonites
Staurolite schist
Topaz Gems
Topaz Pendant
Unusual Gems
Wulfenite
Wulfenite
Pagination
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