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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Banded iron formation
Basalt drill core
Basalt drill core
Basalt drill core
Beryl
Beryl (var. heliodor)
Bununu
Columnar dacite
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Grossular (var. tsavorite)
Grossular (var. tsavorite)
Grossular Garnet
Grossular Garnets
Nautilus Tourmaline Pendant
Nigerian tourmalines
Olivine-basalt drill core
Olivine-gabbro
Peridotite xenoliths in basalt
Quartz (var. agate)
Zagami
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