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
Black Opal Ring
Calcite
DeYoung Red Diamond
Elbaite
Elbaite Ring
Ethiopian Opals
Fluorite
Grossular (var. tsavorite)
Moonstone
Nifontovite
Pentahydroborite
Peridot
Post Diamond Tiara
Pyrope (var. rhodolite)
Quartz
Rosser Reeves Star Ruby
Sherman Diamond
South Sea Pearl Ring
Spessartine
Spinel
Spinel
Whitney Alexandrite
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us