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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aegirine with orthoclase
Amphibole-rock
Banded iron formation
Beryl
Beryl (var. heliodor)
Bismuthinite
Bununu
Calcite in betekhtinite
Corundum (var. sapphire)
Corundum (var. sapphire)
Creedite with pyrite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Garnetiferous schist
Granite block
Kyanite with biotite
Labradorite (var. rainbow moonstone)
Nautilus Tourmaline Pendant
Nigerian tourmalines
Olivine-gabbro
Pegmatite
Quartz (var. agate)
Weston
Zagami
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