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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Baryte with berthierite
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Calcite
Corundum (var. sapphire)
Corundum (var. sapphire)
Cronstedtite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ethiopian Opals
Fluorites
Georgina Emerald
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Marble with wollastonite
Mezö-Madaras
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Peekskill
Sylvanite
Zagami
Zircon
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