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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Carmen LĂșcia Ruby
Cat's Eyes
Conchita Montana Sapphire Butterfly
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Jadeite
Jadeitite
Kyanite schist
Limestone with chert
Missouri River Sapphires
Montana Sapphires
Moonstone
Opal
Opal bone
Peridot gemstones
Petalite
Poudretteite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Rhodochrosite with arsenopyrite
Rock Creek Sapphires
Roebling Opal
Sandstone
Scapolite
Spinel Bracelet
Spinels
Star of Asia
Veszelyite
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