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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Baryte
Basalt bomb
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Calcite
Carmen LĂșcia Ruby
Cat's Eyes
Chrome Diopside
Corundum (var. ruby)
Corundum (var. sapphire)
Danburite
Elbaite
Elbaite
Fluorite
Fluorite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Hematite
Jadeite
Jadeitite
Moonstone
Peridot gemstones
Perovskite
Petalite
Platinum nugget
Poudretteite
Pyrrhotite
Russian beryls
Russian chrysoberyls
Scapolite
Pagination
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