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
Opals
Oppenheimer Diamond
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Paravauxite
Pearson Diamond
Phosphophyllite
Platinum nugget
Portuguese Diamond
Purple agate
Pyrite with calcite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite
Ruby and Diamond Brooch
Russian chrysoberyls
Scorodite
Shepard Diamond
Sinuous Gypsum
Southwest Sunset
Spindle Bomb
Sugilite
Tlacotepec
Topaz
Unusual Gems
Victoria-Transvaal Diamond
Vivianite with pyrite
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