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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Basalt drill core
Basalt drill core
Basalt drill core
Beryl
Beryl (var. heliodor)
Bununu
Chabazite
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
Peridotite xenoliths in basalt
Prehnite
Unusual Gems
Unusual Gems
Zagami
Zincite
Zincite
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