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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl
Beryl (var. aquamarine)
Beryl (var. aquamarine) with muscovite
Beryl (var. morganite)
Beryl with microcline and quartz
Calcite on galena
Conchita Montana Sapphire Butterfly
Corundum (var. ruby)
Corundum (var. sapphire)
Fluorite
Halite
Halite
Kyanite schist
Limestone with chert
Missouri River Sapphires
Montana Sapphires
Opal
Opal bone
Peridot
Peridot
Peridot
Peridot gemstones
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Rock Creek Sapphires
Roebling Opal
Sandstone
Titanite with calcite and adularia
Triplite
Väyrynenite
Veszelyite
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