[272] - The Nature Company Guides: Rocks and Fossils, by Arthur B. Busbey III, Robert R. Coenraads, Paul Willis, and David Roots: Time Life Books, Australia, 1996.
Approval Status
Adopted by IAU
Approval Date
May 09, 2012
Origin
Gemstone that is colorless in its pure form, but also found in yellows, browns, and reds.