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
Gold nugget
Gold on quartz
Goose Lake
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Lawsonite
Limestone
Maharaja of Indore Necklace
Merwinite
Metaconglomerate
Mimetite
Muscovite schist
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Purple agate
Pyrite with calcite
Pyritic slate
Pyrophyllite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Rhyolite
Rhyolite pumice
Scorodite
Sinuous Gypsum
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