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
Afghanite with calcite
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bastnäsite with quartz
Bismuth
Chabazite
Corundum (var. ruby)
Dyber Ametrine
Elbaites
Fluorite
Hemimorphite
Johnstown
Limestone with chert
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Opal
Opal bone
Paravauxite
Phosphophyllite
Picasso Kunzite Necklace
Pollucite
Prehnite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Quinn Canyon
Rhodochrosite
Roebling Opal
Sandstone
Southwest Sunset
Pagination
Current page
1
Page
2
Next page
Next
Last page
Last
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us