37.8cts - TOP Tribal Australian Boulder Opal from Koroit

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2,950.003,780.00

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A gorgeous Australian Boulder Opal from the Koroit nut formation.

This stone displays lovely red, orange, blue and green colouration contrasting beautifully with healthy dark ironstone in intricate tribal patterns.

Cut to a freeform shape with a high quality finishing polish.

Total weight - 37.8cts approx.

Area of Mine - Koroit, Outback Queensland, Australia

Dimensions - 35.8mm x 24.1mm x 4.5mm approx.

Formation - Koroit nut, Ironstone Matrix

Shape - Freeform

Colours - blue, green, red, orange

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