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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Pitts
Plainview
Plantersville
Post Emerald Necklace
Prehnite
Pyritic slate
Pyromorphite
Pyrophyllite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. landscape agate)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Quartz Pendant
Quinn Canyon
Rhodochrosite
Rhyolite
Rhyolite pumice
Rock Creek Sapphires
Roebling Opal
Rose City
Sandstone
Sandstone
Smithsonite
Smithsonite
Smithsonites
Sokol Emerald Necklace
Southern Charm Pearl Earrings
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