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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
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
Garnetiferous schist
Granite block
Jadeite
Jadeitite
Kyanite schist
Missouri River Sapphires
Montana Sapphires
Moonstone
Muscovite schist
Pegmatite
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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