A nice Boulder Opal from Koroit, outback Queensland revealed from the skin of a Koroit Nut.
Displaying tribal patterns contrasting with dark earth tones and green / purple Opal colour.
Cut to an oval shape.
Total weight - 16.1cts approx.
Area of Mine - Koroit, Outback Queensland, Australia
Dimensions - 28.1mm x 12.4mm x 4.8mm approx.
Formation - Koroit nut
Shape - oval
Colours - green and purple
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