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
Agate
Attaway Ametrine
Basalt
Bismuth
Calcite
Dyber Ametrine
Gypsum
Gypsum
Hemimorphite
Imilac
Imilac
Mimetite
North Chile
Opal in matrix
Opals
Paravauxite
Phosphophyllite
Proustite cross (NMNH 12829-00)
Pyrite with calcite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz Gems
Sinuous Gypsum
Southwest Sunset
Spindle Bomb
Vivianite with pyrite
Wulfenite
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us