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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Anatase
Apatite with microcline
Beryl
Beryl
Beryl ( var. aquamarine)
Beryl with schorl and albite
Bicolor Elbaite
Bulls Eye Agate
Calcite
Cassiterite
Chrysoberyl
Cranberry Crown
Elbaite
Elbaite with cookeite
Euclase
Galena with chalcopyrite, sphalerite, and others
Galena with pyrite and marcasite
Paraiba Tourmaline
Perovskite
Platinum nugget
Pyrrhotite
Quartz
Quartz (var. amethyst geode)
Quartz (var. amethyst geode)
Quartz (var. smoky-citrine)
Russian beryls
Russian chrysoberyls
Rutile
Sperrylite
Spodumene (var. kunzite)
Topaz
Topaz
Topaz with elbaite, lepidolite, and albite
Topaz with lepidolite
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