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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Basalt drill core
Basalt drill core
Basalt drill core
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Kyanite schist
Missouri River Sapphires
Montana Sapphires
Nakhla
Olivine-basalt drill core
Peridot gemstones
Peridotite xenoliths in basalt
Quartz (var. agate)
Quartz (var. agate)
Rhodochrosite with arsenopyrite
Rock Creek Sapphires
Veszelyite
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