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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Baryte
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Calcite
Carmen LĂșcia Ruby
Cat's Eyes
Conchita Montana Sapphire Butterfly
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Fluorite
Fluorite with calcite and chalcopyrite
Fluorites
Jadeite
Jadeitite
Kyanite schist
Missouri River Sapphires
Montana Sapphires
Moonstone
Muscovite schist
Peridot gemstones
Petalite
Poudretteite
Pyritic slate
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Scapolite
Spinel Bracelet
Spinels
Star of Asia
Veszelyite
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