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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Andalusite with quartz, muscovite, and biotite
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
Kyanite with biotite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Weston
Zagami
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