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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Calcite
Eclogite
Fluorites
Hemimorphite
Johnstown
Labradorite Sunstone
Manganoan calcite
Marble with wollastonite
Microcline
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Monazite
Oregon Sunstones
Peekskill
Peridot gemstones
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Silver
Silver
Sunstone
Sunstones
Under the Sea Sunstone Carving
Willamette
Zircon (var. cyrtolite)
Zircon with biotite and feldspar
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