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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Rhodonite
Rhyolite
Rhyolite pumice
Rock Creek Sapphires
Rock Crystal Quartz Egg
Roebling Opal
Rose City
Rose quartz sphere
Rutile
Sandstone
Sandstone
Scapolite
Scapolite
Scorodite
Sinuous Gypsum
Smithsonite
Smithsonite
Smithsonites
Southern Charm Pearl Earrings
Sphalerite
Spindle Bomb
Spinel
Spinel
Spinel ring
Spodumene (var. kunzite)
Spodumene (var. kunzite)
Spodumene (var. kunzite)
Spurrite
Stalagmite
Star quartz
Staunton
Staurolite
Staurolite schist
Success meteorite
Sunstone
Sunstones
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