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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Beryl (var. aquamarine)
Beryl (var. green beryl)
Bismuth
Bustee
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Dyber Ametrine
Hope Diamond
Limestone with chert
Mesolite
Millerite
Opal
Opal bone
Paravauxite
Phosphophyllite
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. dendritic agate)
Quartz Gems
Quinn Canyon
Roebling Opal
Sandstone
Shergotty
Southwest Sunset
Van Buren Pearls
Vivianite with pyrite
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