This stunning boulder opal gemstone boasts a beautiful green colour with excellent cut grade and eye-clean clarity. Measuring at 64.9mm in length and 41.2mm in width, this cabochon-shaped gemstone has a rough form and opalescent effect, making it a natural vintage treasure. With a weight of 265.70 carats, this gemstone is perfect for wholesale buyers or collectors looking for a unique addition to their collection. Made in Australia, this gemstone has not been enhanced in any way and comes in a single unit quantity.



Boulder Pipe Opal Rough

Mine : Winton Area

Queensland , Australia

Very Rare to find such a large piece with such gem colour. Will cut multiple clean stones. Very stable material.


Pictures have been taken with opal wet to show colours.

Member of the " Queensland Boulder Opal Association Inc."
Member of the "Lightning Ridge Miners Association"