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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
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fire agate
Fluorite
Garnetiferous schist
Granite block
Imilac
Imilac
Kermesite with senarmontite and dolomite
Magombedze
Nautilus Tourmaline Pendant
Nifontovite
Nigerian tourmalines
North Chile
Pegmatite
Pentahydroborite
Pagination
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