Skip to main content
Smithsonian Institution
Main Menu
Visit
Exhibits
Research
Education
Events
About
Join us
Donate
Search
Search
Close
Smithsonian National Museum of Natural History
GeoGallery
Breadcrumb
Home
GeoGallery
Amphibole-rock
Arkose
Augen gneiss block
Basaltic cinder
Beryl (var. heliodor)
Carlton iron meteorite
Fort Stockton
Freedom Diamond
Garnetiferous schist
Granite block
Hemimorphite
Johnstown
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Pegmatite
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Topaz Gems
Topaz Pendant
Zircon (var. cyrtolite)
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us