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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl (var. emerald)
Cafarsite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Farmville
Fluorite with quartz
Fluorites
Granite block
Kyanite schist
Kyanite schist
Magnetite
Milarite with chlorite
Millerite
Missouri River Sapphires
Montana Sapphires
Orthoclase (var. adularia)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. smoky quartz)
Quartz Gems
Quartz Pendant
Rock Creek Sapphires
Siderite
Veszelyite
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