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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Cafarsite
Demantoid with serpentine
Fluorite with quartz
Fluorites
Gypsum with sulphur
Imilac
Imilac
Kermesite with senarmontite and dolomite
Kyanite schist
Magnetite
Magombedze
Mern
Milarite with chlorite
North Chile
Orthoclase (var. adularia)
Phosgenite
Proustite cross (NMNH 12829-00)
Quartz (var. smoky quartz)
Quartz Gems
Siderite
Sulfur
Titanite
Unusual Gems
Vigarano
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