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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Calcite
Carlton iron meteorite
Fluorites
Fort Stockton
Freedom Diamond
Hemimorphite
Hubnerite with quartz
Johnstown
Manganoan calcite
Marble with wollastonite
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Opal
Peekskill
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rhodochrosite with quartz
Rhodonite
Tetrahedrite
Topaz Gems
Topaz Pendant
Zircon (var. cyrtolite)
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