79.2cts - Top Tribal Koroit Black Nut Opal Rough Opal in Bulk extra large and gigantic unopened

extra large and gigantic unopened Yowah nuts

Stone displays a vibrant green and blue in a beautiful flagstone pattern

This stone is reminiscent of a Fiord set in time

green and purple

79.2cts - Top Tribal Koroit Black Nut Opal Rough Opal in Bulk extra large and gigantic unopenedA beautiful Australian Boulder Opal from Koroit, outback Queensland. Displaying electric green and blue colouration in tribal patterns unique to the area, on beautiful dark ironstone. Cut to a freeform shape, perfect large Unisex Pendant Size Total weight: 79. 2cts Area of Mine: Koroit, Outback Queensland, Australia Approx. Dimension: 38. 6mm x 24. 2mm x 9. 4mm Formation: Koroit Nut Shape: freeform Colours: blue, green Extras Free International