[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
Translucent to opaque gemstone, usually banded or rich green and often found with azurite.