Koroit Boulder Opal - 68,30ct
This gorgeous gemstone interspersed with colorful opal veins is a natural 44x28x8mm, Koroit Boulder Opal with sparkling opal veins and an unusual pattern. The gemstone was mined in Queensland, Australia and has a final weight of 68.30ct. This coroite boulder opal is completely untreated; no treatment of any kind has been done. The item is sold as seen in the picture.