Green Angelite Cat's Eye 10mm Round - 15-16 Inch Namibia " The "gift from the

" The "gift from the sun

Boulder Opal is a golden-brown to dark brown stone

The fibrous asbestos inclusions in the stone give it the flash that inspired its name

its coloring is the result of the chemical reaction that occurs when copper is introduced to water

and it is known to have been widely used in Aztec and Native American cultures

Green Angelite Cat's Eye 10mm Round - 15-16 Inch Namibia " The "gift from theCats Eye is a quartz stone that appears in a range of colors including white, gray, green, yellow and brown. The fibrous asbestos inclusions in the stone give it the flash that inspired its name. It is a form of Chrysoberyl, the third to hardest common natural gemstone, with a Mohs Hardness of 8. 5, between Topaz (8) and Corundum (9).