21.2cts - Tribal Yowah Nut Opal. Australian Opal necklace These Crystal Centres display almost

These Crystal Centres display almost no cracks

Dimensions - 29mm x 20mm

particularly these with undulated sides

Queensland Boulder Opal with a full face of blue and green colouration

Setting -  sterling silver (925) w/ yellow gold plating

21.2cts - Tribal Yowah Nut Opal. Australian Opal necklace These Crystal Centres display almostA beautiful Australian Boulder Opal from the Yowah nut formation. This stone displays blue and green colouration contrasting with earth tones in intricate tribal patterns unique to the area. Cut to a freeform teardrop shape with a quality finishing polish. Total weight 21. 2cts approx. Area of Mine Yowah, Outback Queensland, Australia Dimensions 33mm x 20. 8mm x 3. 5mm approx. Formation Yowah nut Shape Freeform Colours blue, green