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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Afghanite with calcite
African Gems
Banded iron formation
Baryte with berthierite
Bastnäsite with quartz
Beryl (var. emerald)
Corundum (var. ruby)
Cronstedtite
Elbaite
Elbaites
Fluorite
Mezö-Madaras
Olivine-gabbro
Picasso Kunzite Necklace
Pollucite
Quartz (var. agate)
Spessartine
Sylvanite
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