Koroite Matrix Boulder Opal - 40,10ct
Sparkling in RED, BLUE, GREEN and ORANGE, this Koroit matrix boulder opal is a natural 40x30x4mm, coroite matrix boulder opal. The gemstone was mined in Queensland, Australia and has a final weight of 40.10ct. 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.
