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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Imperial Topaz
Jolie Citrine Necklace
Lawsonite
Limestone
Mackay Emerald Necklace
Maximilian Emerald
Merwinite
Metaconglomerate
Mogul Emerald Necklace
Napoleon Diamond Necklace
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Olivine-basalt drill core
Opal
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline Ring
Parisite with calcite
Peridotite xenoliths in basalt
Post Diamond Tiara
Post Emerald Necklace
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)
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