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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Gypsum with sulphur
Hydroxylherderite
Ibitira eucrite
Imperial Topaz
Jolie Citrine Necklace
Kyanite
Kyanite
Napoleon Diamond Necklace
Nephrite Perfume Bottle
Opal
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline Ring
Phosgenite
Post Diamond Tiara
Pyroxmangite
Quartz
Quartz
Quartz (var. amethyst geode)
Quartz (var. amethyst geode)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. citrine)
Quartz (var. rose)
Quartz (var. smoky-citrine)
Quartz (var. smoky-citrine)
Quartz Gems
Quartz Gems (var. citrine)
Quartz with Chamosite
Quartz with Clinochlore
Quartz with sphalerite inclusions
Rhodonite
Rock Crystal Quartz Egg
Rose quartz sphere
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