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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Andalusite with quartz, muscovite, and biotite
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Carlton iron meteorite
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Fort Stockton
Gypsum
Limestone with chert
Lost City meteorite
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal bone
Peekskill
Plainview
Plantersville
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Sphalerite
Topaz Gems
Topaz Pendant
Zagami
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