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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aurichalcite with hemimorphite
Banded iron formation
Beryl
Beryl
Beryl (var. heliodor)
Beryl (var. heliodor)
Bununu
Calcite
Clinohumite
Corundum (var. ruby)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Hubnerite with quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Olivine-gabbro
Opal
Quartz (var. agate)
Rhodochrosite with quartz
Rhodonite
Sandstone
Spinel
Spinel
Tetrahedrite
Zagami
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