Koroit Matrix Boulder Opal - 17,93ct
A firework of colors and flashes is exuded by this 23x15x4.5mm Koroit Matrix Boulder Opal. The gemstone was mined in Queensland, Australia and has a final weight of 19.73ct. This Koroit boulder opal is completely untreated; no treatment of any kind has been done. The item is sold as seen in the picture. Watch the video!
