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
Abee
Acasta Gneiss
Afghanite with calcite
Agate
Ahumada
Azurite
Basalt
Bastnäsite with quartz
Calcite
Calcite
Calcite
Carbo
Chabazite
Corundum (var. ruby)
Dolomite
Elbaites
Elpidite with pyrite
Fire Opal
Fire Opal
Fluorite
Grossular Garnets
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Labradorite Carving
Marie Louise Diadem
Mimetite
Nephrite Bowl
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
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