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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Liddicoatite slices
Moonstone
Mount Padbury
Mundrabilla
Murchison
Murchison meteorite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal Peacock Brooch
Opal vertebra
Orbicular agate
Orthoclase
Peridot gemstones
Petalite
Poudretteite
Pyromorphite
Quartz
Quartz (var. amethyst)
Quartz with Fluorite
Scapolite
Spessartine
Spinel Bracelet
Spinels
Star of Asia
Tetrahedrite
Tiffany Opal Necklace
Titanite
Titanite
Topaz Gems
Unusual Gems
Unusual Gems
Yowah Opal Nut
Zagami
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