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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Murchison meteorite
Mystery Diamond
Nephrite
Opal
Opal
Opal
Opal Peacock Brooch
Opal vertebra
Owl Brooch
Pearl and Diamond Ring
Peridot gemstones
Pyromorphite
Quartz (var. amethyst)
Quartz Gems
Royal Butterfly Brooch
Sherman Diamond
Sokol Diamond Necklace
Spinel
Spinel peridotite
Spodumene (var. hiddenite)
Thompson Diamonds
Tiffany Diamond and Ruby Bracelet
Tiffany Diamond Bracelet
Tiffany Opal Necklace
Turquoise carving
Unusual Gems
Wilkinson Diamond Brooch
Wilkinson Diamond Ringdant
Winston Adamantine Pearl
Yowah Opal Nut
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