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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Bismuth
Calcite with duftite
Descloizite in dolomite
Diamond in kimberlite
Fluorite with calcite
Hematite with quartz
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Oppenheimer Diamond
Paravauxite
Pyrite
Rhodochrosite
Smithsonite
Spessartine
Sugilite
Tennantite
Vivianite with pyrite
Wulfenite
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