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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Basalt drill core
Basalt drill core
Basalt drill core
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Carmen LĂșcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Danburite
Jadeite
Jadeitite
Limestone with chert
Moonstone
New Concord
Olivine-basalt drill core
Opal
Opal bone
Peridot gemstones
Peridotite xenoliths in basalt
Petalite
Poudretteite
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Scapolite
Spinel Bracelet
Spinels
Star of Asia
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