Cat's Eye 6mm Round A Grade - 15-16 Inch Abreciated Jasper This Phantom Quartz is gray

This Phantom Quartz is gray

It may also contain rainbow to colored or sparkling inclusions

with indigo being the most rare

Opal is a natural gemstone made from silica mineral and 90% are found in Australia

Cat's Eye 6mm Round A Grade - 15-16 Inch Abreciated Jasper This Phantom Quartz is grayCats 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).