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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Aragonite (var. flos ferri)
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Basalt lava
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Calcite
Calcite
Canyon Diablo
Canyon Diablo
Canyon Diablo
Corundum (var. sapphire)
Cuprite on copper
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaites
Fire agate
Garnetiferous schist
Granite
Granite block
Gypsum with sulphur
Havey Tourmaline
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paragould
Pegmatite
Peridot gemstones
Peridot in Basalt
Pagination
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