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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Beryl (var. emerald)
Carlton iron meteorite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Farmville
Fort Stockton
Garnetiferous schist
Granite block
Granite block
Kyanite schist
Missouri River Sapphires
Montana Sapphires
Pegmatite
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quartz Pendant
Rock Creek Sapphires
Topaz Gems
Topaz Pendant
Veszelyite
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