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
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Hooker Emerald
Jeremejevite
Liddicoatite
Liddicoatite slices
Mackay Emerald Necklace
Maximilian Emerald
Mimetite
Mogul Emerald Necklace
Nautilus Tourmaline Pendant
Nigerian tourmalines
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orbicular agate
Orthoclase
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Parisite with calcite
Post Emerald Necklace
Purple agate
Pyrite with calcite
Quartz
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz with Fluorite
Scorodite
Sinuous Gypsum
Sokol Emerald Necklace
Pagination
First page
First
Previous page
Previous
Page
1
Current page
2
Page
3
Next page
Next
Last page
Last
Home
Smithsonian Institution
Terms of Use
Privacy Policy
Host an Event
Jobs
Press
Blog
Contact Us