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Smithsonian National Museum of Natural History
GeoGallery
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Beryl
Beryl (var. aquamarine) with muscovite
Beryl with microcline and quartz
Cafarsite
Corundum (var. ruby)
Fluorite with quartz
Galena with chalcopyrite, sphalerite, and others
Galena with pyrite and marcasite
Kyanite schist
Magnetite
Milarite with chlorite
Orthoclase (var. adularia)
Perovskite
Platinum nugget
Pyrrhotite
Russian beryls
Russian chrysoberyls
Siderite
Sperrylite
Titanite with calcite and adularia
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