7.4cts - Koroit Crystal Center Nut Boulder Opal, Black Chocolate Ironstone black boulder opal Total Weight - 261

Total Weight - 261

Total weight - 69

Dimension: 27

colours: green / orange and blue

Everyone who buys our whole unopened Yowah nuts gets a second chance with a free ticket in the draw to win a nice quality

7.4cts - Koroit Crystal Center Nut Boulder Opal, Black Chocolate Ironstone black boulder opal Total Weight - 261A beautiful Australian Boulder Opal from Koroit, outback Queensland, with a quality finishing polish. Displaying vibrant green, orange, yellow and blue colouration surrounded by beautiful dark ironstone. Cut to a freeform shape. Total weight 7. 4cts Area of Mine Koroit, Outback Queensland, Australia Approx. Dimensions 16. 7mm x 13. 7mm x 3. 8mm Formation Koroit Nut Shape freeform Colours blue, green, orange, yellow Extras Free International Airmail