69.7cts - Tribal Pattern Koroit Nut Opal on Deep Ocre Red Ironstone Winton Total weight - 50cts approx

Total weight - 50cts approx

Total weight - 25

Solid Crystal Opal from the Rare and somewhat Extinct Mintabie Mine of South Australia representing a very historical and old piece

Displaying green

Dimension: 41mm x 34

69.7cts - Tribal Pattern Koroit Nut Opal on Deep Ocre Red Ironstone Winton Total weight - 50cts approxThis Queensland Boulder Opal has been revealed from the skin of a Koroit Nut. Displaying beautiful intricate tribal patterns with streams and flashes of electric green, blue and purple colouration. *See matching split available (48. 5cts) buy 2 and ask for discount Cut to a freeform shape. Total weight 69. 7cts approx. Area of Mine Koroit, Outback Queensland, Australia Dimensions 39. 4mm x 23. 5mm x 7. 1mm approx. Formation Koroit nut Shape freeform