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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hematite with quartz
Hooker Emerald
Kimberley Diamond
Logan Sapphire
Mackay Emerald Necklace
Maharani Cat's Eye
Marquise Diamond Ring
Maximilian Emerald
Mogul Emerald Necklace
Moonstone
Moonstone Carving
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oppenheimer Diamond
Parisite with calcite
Pearson Diamond
Perovskite
Platinum nugget
Portuguese Diamond
Post Emerald Necklace
Pyrope
Pyrope (var. rhodolite)
Pyrrhotite
Rhodochrosite
Rosser Reeves Star Ruby
Ruby and Diamond Brooch
Russian beryls
Russian chrysoberyls
Shepard Diamond
Sikhote-Alin
Sokol Emerald Necklace
Sperrylite
Spinel
Spinels
Star of Bombay
Star of Katandru
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