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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Baryte with berthierite
Beryl
Beryl (var. heliodor)
Bununu
Chabazite
Columnar dacite
Corundum (var. sapphire)
Cronstedtite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Grossular (var. tsavorite)
Grossular (var. tsavorite)
Grossular Garnet
Grossular Garnets
Mezö-Madaras
Nautilus Tourmaline Pendant
Nigerian tourmalines
Prehnite
Sylvanite
Unusual Gems
Unusual Gems
Zagami
Zincite
Zincite
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