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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Aurichalcite with hemimorphite
Basaltic cinder
Beryl
Beryl
Beryl (var. heliodor)
Bismarck Sapphire Necklace
Bununu
Burmese Ruby Bracelet
Cape York
Carmen LĂșcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Folded anorthosite
Freedom Diamond
Hemimorphite
Jadeite
Jadeitite
Johnstown
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Moonstone
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peridot gemstones
Petalite
Poudretteite
Pagination
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