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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Cassiterite
Cat's Eyes
Chrome Diopside
Chrysoberyl
Chrysoberyl
Cranberry Crown
Cronstedtite
Dom Pedro Aquamarine
Elbaite
Elbaite (var. cat's eye tourmaline)
Elbaite Ring
Elbaite with cookeite
Elbaites
Euclase
Fire Opal
Fire Opal
Fire Opal
Fluorite
Galena with chalcopyrite, sphalerite, and others
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Hydroxylherderite
Ibitira eucrite
Imperial Topaz
Jolie Citrine Necklace
Mezö-Madaras
Mimetite
Napoleon Diamond Necklace
Nuevo Mercurio
Opal
Opal (var. hyalite)
Opal in matrix
Pagination
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