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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Afghanite with calcite
Aragonite (var. flos ferri)
Attaway Ametrine
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Basalt lava
Bastnäsite with quartz
Bismuth
Bismuthinite
Calcite
Calcite
Calcite
Calcite in betekhtinite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Corundum (var. ruby)
Creedite with pyrite
Cuprite on copper
Dyber Ametrine
Elbaites
Fire agate
Fluorite
Millerite
Paravauxite
Peridot gemstones
Peridot in Basalt
Peridotite xenolith
Peridotite xenolith in basalt
Phosphophyllite
Picasso Kunzite Necklace
Pollucite
Quartz (var. amethyst)
Quartz (var. ametrine)
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