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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrite Butterfly
Baja Pearl Butterfly
Benitoite Butterfly
Berns Quartz
Brown Titanite (Sphene) Butterfly
Calcite
Elbaite
Elbaite
Ethiopian Opals
Feldspar Butterfly
Fluorite
Green Titanite (Sphene) Butterfly
Grossular (var. tsavorite)
Hiddenite Butterfly
Jeremejevite Butterfly
Moonstone
Nifontovite
Opal Butterfly
Pentahydroborite
Peridot
Peridot Butterfly
Pyrope (var. rhodolite)
Quartz
Rhodochrosite Butterfly
South Sea Pearl Ring
Spessartine
Spessartine Butterfly
Spinel
Spinel
Spinel Butterfly
Stibiotantalite Butterfly
Topaz Butterfly
Tourmaline Butterfly
Whitney Alexandrite
Yogo Sapphire Butterfly
Zoisite (var. Tanzanite)
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