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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Alexandrites
Azurite
Basalt
Calcite
Calcite
Calcite
Carbo
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Dravite
Farmington
Fire Opal
Fire Opal
Galena with pyrite and marcasite
George Pendant
Grossular Garnets
Grossular Garnets
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Logan Sapphire
Maharani Cat's Eye
Mimetite
Moonstone
Moonstone Carving
Norton County
Nuevo Mercurio
Opal (var. hyalite)
Pagination
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