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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Imperial Topaz
Jolie Citrine Necklace
Lawsonite
Limestone
Merwinite
Metaconglomerate
Napoleon Diamond Necklace
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Opal
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline Ring
Picasso Kunzite Necklace
Pollucite
Post Diamond Tiara
Pyrophyllite
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
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