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
Banded iron formation
Calcite
Danburite
DeYoung Pink Diamond
Enstatite
Fluorite
Fluorites
Grossular Garnets
Limestone with chert
Mern
Moonstone
Moonstone
Olivine-gabbro
Opal
Opal bone
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Scapolite
Scapolite
Spinel
Spinel
Spinel ring
Sunstone
Zircon
Zircon
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
Zoisite (var. tanzanite)
Zoisites
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us