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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Apatite
Banded iron formation
Beryl ( var. morganite)
Beryl (var. emerald)
Beryl (var. green beryl)
Betafite
Cat's Eyes
Corundum (var. padparadscha sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Elbaite
Elbaites
Jeremejevite
Liddicoatite
Liddicoatite slices
Limestone with chert
Olivine-gabbro
Opal
Opal bone
Orbicular agate
Orthoclase
Quartz
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz with Fluorite
Quinn Canyon
Roebling Opal
Rose City
Sandstone
Spessartine
Titanite
Titanite
Topaz Gems
Unusual Gems
Pagination
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