60.5cts - Tribal Yowah Nut Conglomerate Opal South Australia 4mm (approx

4mm (approx

Dimensions - 26mm x 9

they feature the original boulder ironstone backing with a stunning natural opal face

green and purple colouration in tribal patterns contrasting with gorgeous dark earth colours

A nice Queensland Boulder Opal revealed from the Koroit nut formation

60.5cts - Tribal Yowah Nut Conglomerate Opal South Australia 4mm (approxA beautiful Australian Boulder Opal from the Yowah nut conglomerate formation. This stone displays blue and green colouration contrasting with ochre earth tones in tribal patterns. Cut to a freeform cabochon with a quality finishing polish. Total weight 60. 5cts approx. Area of Mine Yowah, Outback Queensland, Australia Dimensions 40. 8mm x 30. 3mm x 5. 2mm approx. Formation Yowah nut Shape Freeform Colours blue, green