9.1cts - Tribal Queensland Boulder Opal from Yowah Rose Gold purple and green colouration in

purple and green colouration in top tribal patterns unique to the area contrasting with dark ironstone and earth colours

Formation - Koroit nut

Large sized vials containing Potch and Colour Lightning Ridge Opal rough chips and small pieces

green and blue colouration in gorgeous pinfire/galaxy patterns

A beautiful and rare Australian Boulder Opal cut from a Yowah Nut with an Eye Kernel Crystal Centre

9.1cts - Tribal Queensland Boulder Opal from Yowah Rose Gold purple and green colouration inA beautiful Australian Boulder Opal from the Yowah nut formation. This stone displays green and blue colouration contrasting with dark earth tones in tribal patterns. Cut to a freeform shape with a quality finishing polish. Total weight 9. 1cts approx. Area of Mine Yowah, Outback Queensland, Australia Dimensions 19. 4mm x 10. 5mm x 4. 8mm approx. Formation Yowah nut Shape Freeform Colours blue, green