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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
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
Fluorite with calcite
Fluorites
Jadeite
Jadeitite
Kyanite schist
Limestone with chert
Missouri River Sapphires
Montana Sapphires
Moonstone
Opal
Opal bone
Peridot gemstones
Petalite
Poudretteite
Pyrite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Rock Creek Sapphires
Roebling Opal
Sandstone
Scapolite
Sphalerite
Spinel Bracelet
Spinels
Star of Asia
Pagination
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