Advertising

Cabochon Gemstones

Idaho Opal

Idaho Opal: An opal triplet cabochon with intense fire.

Malachite

Malachite: A copper carbonate mineral from Africa.

Kyanite

Kyanite: A blue or green silicate mineral.

Chrome Tremolite

Chrome Tremolite: A variety of tremolite from New York.

"We learn geology the morning after the earthquake."
Ralph Waldo Emerson

Coyamito Agate

Coyamito Agate: A colorful fortification agate from Mexico.

Spessartite Garnet

Spessartite Garnet: A gemmy orange garnet.

Tourmaline

Tourmaline: A colorful collection of tourmalines.

"Oil is found in the minds of men."
Wallace Pratt

Agua Nueva Agate

Agua Nueva Agate: A colorful fortification agate from Mexico.

Labradorite

Labradorite: A feldspar mineral with an electric-bright flash.

Owyhee Opal

Owyhee Opal: A translucent blue opal from Oregon.

"The present is the key to the past."
Charles Lyell

Amber

Amber: A fossilized tree resin, cut and polished as a gem.

Chrysocolla-Malachite

Chrysocolla and Malachite: Beautiful copper minerals.

Chrysocolla in Quartz

Chrysocolla in Quartz: A copper mineral in quartz.

"The best geologist is the one who has seen the most rocks."
Herbert Harold Read

© 2005-2023 Geology.com. All Rights Reserved.
Images, code, and content on this website are property of Geology.com and are protected by copyright law.
Geology.com does not grant permission for any use, republication, or redistribution.