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
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Phosgenite
Plainview
Plantersville
Purple agate
Pyrite with calcite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Scorodite
Sinuous Gypsum
Smithsonite
Spessartine
Spindle Bomb
Tennantite
Titanite
Tlacotepec
Topaz
Topaz Gems
Topaz Pendant
Unusual Gems
Wulfenite
Wulfenite
Wulfenite
Pagination
First page
First
Previous page
Previous
Page
1
Current page
2
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us