24.5cts - Tribal Queensland Boulder Opal from Koroit Light opal Displaying beautiful tribal patterns unique

Displaying beautiful tribal patterns unique to the area

blue and green colouration in dazzling flag and chaff patterns

Cut to a freeform elongated oval shape

9mm x 5mm approx

green and blue colouration from Yowah

24.5cts - Tribal Queensland Boulder Opal from Koroit Light opal Displaying beautiful tribal patterns uniqueA beautiful Australian Boulder Opal from the Koroit nut formation. This stone displays vibrant green and blue colouration contrasting with dark earth tones in tribal patterns unique to the area. Cut to a freeform teardrop cabochon with a quality finishing polish. Total weight 24. 5cts approx. Area of Mine Koroit, Outback Queensland, Australia Dimensions 27. 4mm x 20. 1mm x 5. 2mm approx. Formation Koroit nut Shape Freeform Colours blue, green