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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Basalt drill core
Basalt drill core
Basalt drill core
Bismuth
Conchita Montana Sapphire Butterfly
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. sapphire)
Dyber Ametrine
Kyanite schist
Missouri River Sapphires
Montana Sapphires
Nakhla
Olivine-basalt drill core
Paravauxite
Peridot gemstones
Peridotite xenoliths in basalt
Phosphophyllite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. ametrine)
Quartz Gems
Rock Creek Sapphires
Southwest Sunset
Veszelyite
Vivianite with pyrite
Zircons
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