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
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Arkose
Attaway Ametrine
Augen gneiss block
Baryte
Basalt bomb
Basaltic cinder
Beryl (var. emerald)
Bismuth
Calcite
Chrome Diopside
Dyber Ametrine
Farmville
Fluorite
Fluorite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Granite block
Hematite
Hemimorphite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyrrhotite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
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