Cat's Eye A-Grade, Banded 6mm Round - 15-16 Inch featured_03122026 and was prized in ancient

and was prized in ancient times for the ultramarine dye derived from it

although the colors are much more muted

At times in ancient history

this gemstone in its polished state looks like what it would be like to capture smoke in a stone -- bottomless black mixed with white wisps

there may not be a beautiful blue-and-brown combination than that of Terra Agate

Cat's Eye A-Grade, Banded 6mm Round - 15-16 Inch featured_03122026 and was prized in ancientCats 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).