Jumbo popular Koroit Opal 34x30x7 mm, 76.10 ct.

It is from the Koroit opal mines in Queensland Australia. A solid huge Australian Natural Koroit Boulder Opal cabochon, free shape, high polished and well cut, has an outstanding Koroit pattern with bright colors and multitude of opal splashes: green, violet, blue, a little bit of red, mostly in green and blue. 34x30x7 mm, 76.10 ct. The pictures had been taken under day light.
It is awesome for an amazing popular pendant, bracelet, brooch or collectables.