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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Bellsbank
Bismarck Sapphire Necklace
Bismuth
Blue Heart Diamond
Burmese Ruby Bracelet
Carmen Lúcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Cullinan Blue Diamond Necklace
Danburite
Diamond in kimberlite
Dyber Ametrine
Eclogite
Eclogite
Fluorites
Garnet peridotite
Garnet peridotite
Hematite with quartz
Jadeite
Jadeitite
Kimberley Diamond
Marquise Diamond Ring
Moonstone
Oppenheimer Diamond
Paravauxite
Pearson Diamond
Peridot gemstones
Petalite
Phosphophyllite
Portuguese Diamond
Poudretteite
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
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