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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aragonite (var. flos ferri)
Attaway Ametrine
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Basalt lava
Beryl (var. heliodor)
Bismuth
Bismuthinite
Calcite
Calcite
Calcite
Calcite in betekhtinite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Creedite with pyrite
Cuprite on copper
Dyber Ametrine
Fire agate
Paravauxite
Peridot gemstones
Peridot in Basalt
Peridotite xenolith
Peridotite xenolith in basalt
Phosphophyllite
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. landscape agate)
Quartz Gems
Smithsonite
Smithsonites
Southwest Sunset
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