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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Liddicoatite
Liddicoatite slices
Magnetite
Mesolite
Milarite with chlorite
Orbicular agate
Orthoclase
Orthoclase (var. adularia)
Perovskite
Platinum nugget
Pyromorphite
Pyrrhotite
Quartz
Quartz (var. amethyst)
Quartz (var. dendritic agate)
Quartz (var. smoky quartz)
Quartz Gems
Quartz with Fluorite
Russian beryls
Russian chrysoberyls
Scheelite
Shergotty
Siderite
Sikhote-Alin
Sperrylite
Spessartine
Tiffany Amethyst Necklace
Titanite
Titanite
Topaz Gems
Unusual Gems
Unusual Gems
Zircon
Pagination
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