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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Kimberley Diamond
Liddicoatite
Liddicoatite slices
Lion of Merelani Tsavorite
Marquise Diamond Ring
Moonstone
Moonstone
Oppenheimer Diamond
Orbicular agate
Orthoclase
Pearson Diamond
Peridot
Peridot
Peridot
Peridot gemstones
Portuguese Diamond
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Quartz with Fluorite
Rhodochrosite
Ruby and Diamond Brooch
Scapolite
Scapolite
Shepard Diamond
Spessartine
Spinel
Spinel
Spinel ring
Sugilite
Sunstone
Titanite
Titanite
Titanite with calcite and adularia
Topaz Gems
Triplite
Pagination
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