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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aegirine with orthoclase
Basalt drill core
Basalt drill core
Basalt drill core
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Corundum (var. sapphire)
Fluorite
Fluorite
Fluorites
Kyanite schist
Labradorite (var. rainbow moonstone)
Lafayette
Lafayette
Marcasite
Missouri River Sapphires
Montana Sapphires
Olivine-basalt drill core
Pearl and Peridot Haircomb
Peridotite xenoliths in basalt
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Star quartz
Veszelyite
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