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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Maharani Cat's Eye
Marquise Diamond Ring
Moonstone
Moonstone Carving
Oppenheimer Diamond
Orbicular agate
Orthoclase
Pearson Diamond
Portuguese Diamond
Pyrope
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Quartz with Fluorite
Rhodochrosite
Rosser Reeves Star Ruby
Ruby and Diamond Brooch
Shepard Diamond
Spessartine
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Sugilite
Sulfur
Titanite
Titanite
Topaz Gems
Unusual Gems
Unusual Gems
Unusual Gems
Victoria-Transvaal Diamond
Zircon
Zircons
Pagination
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