Koroite Boulder Opal - 14,08ct
This gemstone is a natural 26x9x6mm, coroite boulder opal with variegated opal veins. The gemstone was mined in Queensland, Australia and has a final weight of 14.08ct. This coroite boulder opal is completely untreated; no treatment of any kind has been done. The item is sold as seen in the picture.
