Koroit Matrix Boulder Opal Cabochon - 23,87ct
Sparkling in VIOLET, BLUE and GREEN, this stone is a natural 24x17x5.8mm, Koroit matrix boulder opal. The gemstone was mined in Queensland, Australia and has a final weight of 23.87ctct. This Koroit matrix boulder opal is completely untreated; no treatment of any kind has been done. The item is sold as seen in the picture.