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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Calcite
Calcite
Dolomite
Fire Opal
Fire Opal
Grossular Garnets
Hemimorphite
Hologem Fire Opal Pendant
Labradorite Carving
Marie Louise Diadem
Nephrite Bowl
Opal (var. hyalite)
Opals
Topaz
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