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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hematite with quartz
Hoba
Hoba
Jeremejevite
Jeremejevite
Kimberley Diamond
Liddicoatite
Liddicoatite slices
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Marquise Diamond Ring
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oppenheimer Diamond
Orbicular agate
Orthoclase
Pearson Diamond
Phosgenite
Portuguese Diamond
Quartz
Quartz (var. amethyst)
Quartz with Fluorite
Rhodochrosite
Ruby and Diamond Brooch
Shepard Diamond
Smithsonite
Spessartine
Spessartine
Sugilite
Tennantite
Titanite
Titanite
Topaz Gems
Unusual Gems
Unusual Gems
Pagination
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