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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Beryl (var. aquamarine)
Beryl (var. morganite)
Black Opal Ring
Dark Jubilee Opal
Dyber Ametrine
Fluorite
Fluorites
Opal
Opal
Opal
Opal Peacock Brooch
Peridot
Peridot
Peridot
Peridot gemstones
Phosphophyllite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Sphalerite
Tiffany Opal Necklace
Triplite
Unusual Gems
Unusual Gems
Väyrynenite
Yowah Opal Nut
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