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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Bellsbank
Blue Heart Diamond
Conchita Montana Sapphire Butterfly
Cornetite
Corundum (var. sapphire)
Cullinan Blue Diamond Necklace
Diamond in kimberlite
Eclogite
Eclogite
Fluorites
Garnet peridotite
Garnet peridotite
Hematite with quartz
Kimberley Diamond
Kyanite schist
Limestone with chert
Malachite
Malachite slab
Marquise Diamond Ring
Metatorbernite
Missouri River Sapphires
Montana Sapphires
Opal
Opal bone
Oppenheimer Diamond
Pearson Diamond
Portuguese Diamond
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Rhodochrosite
Rock Creek Sapphires
Roebling Opal
Ruby and Diamond Brooch
Sandstone
Pagination
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