Koroit Boulder Opal - 51,30ct
Crazy Koroit boulder opal with blue opal veins and flashes. The stone measures approx. 33x26x7mm. The gemstone was mined in Queensland, Australia and has a final weight of 51,30ct. This Koroit boulder opal is completely untreated; no treatment has been applied. The item is sold as seen in the picture. Take a look at the video!
