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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Andalusite with quartz, muscovite, and biotite
Attaway Ametrine
Aurichalcite with hemimorphite
Beryl
Bismuth
Calcite
Danburite
DeYoung Pink Diamond
Dyber Ametrine
Enstatite
Fluorite
Fluorites
Grossular Garnets
Limestone with chert
Moonstone
Moonstone
Opal
Opal bone
Paravauxite
Phosphophyllite
Pyrope (var. rhodolite)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Quinn Canyon
Roebling Opal
Sandstone
Sandstone
Scapolite
Scapolite
Southwest Sunset
Spinel
Spinel
Spinel ring
Sunstone
Vivianite with pyrite
Pagination
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