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
Aegirine with orthoclase
Agate
Azurite
Calcite
Chabazite
Elpidite with pyrite
Galena with chalcopyrite, sphalerite, and others
Gypsum
Gypsum
Gypsum
Hemimorphite
Mimetite
Opal in matrix
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Perovskite
Platinum nugget
Purple agate
Pyrite with calcite
Pyrrhotite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Russian beryls
Russian chrysoberyls
Scorodite
Sinuous Gypsum
Sperrylite
Wulfenite
Wulfenite
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us