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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Demantoid with serpentine
Dolerite
Gypsum with sulphur
Kyanite after andalusite
Labradorite Sunstone
Limestone with chert
Opal
Opal bone
Oregon Sunstones
Phosgenite
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Stalagmite
Staunton
Sulfur
Sunstones
Under the Sea Sunstone Carving
Unusual Gems
Vigarano
Willamette
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