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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Cafarsite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Ensisheim
Fluorite with quartz
Fluorites
Juvinas
Kyanite schist
Kyanite schist
Magnetite
Milarite with chlorite
Missouri River Sapphires
Montana Sapphires
Orgueil meteorite
Orthoclase (var. adularia)
Pyromorphite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz)
Quartz Gems
Quartz on siderite
Rock Creek Sapphires
Siderite
Staurolite
Veszelyite
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