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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Banded iron formation
Basalt bomb
Bellsbank
Blue Heart Diamond
Chrome Diopside
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Cullinan Blue Diamond Necklace
Diamond in kimberlite
Eclogite
Eclogite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Garnet peridotite
Garnet peridotite
Hematite with quartz
Kimberley Diamond
Kyanite schist
Marquise Diamond Ring
Missouri River Sapphires
Montana Sapphires
Olivine-gabbro
Oppenheimer Diamond
Pearson Diamond
Perovskite
Platinum nugget
Portuguese Diamond
Pyrrhotite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Rhodochrosite
Rock Creek Sapphires
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