A stunning Australian Boulder Opal from the Koroit Nut formation.

This 197.1-carat Koroit Boulder Opal is a true double-sided stunner, alive with fiery greens, blues and aqua streaks running through rich chocolate ironstone in classic tribal formation. Both faces light up with contrasting bold patterns, one side branching with colour that moves like living energy inside the stone, giving it a powerful presence and a rare, sculptural beauty, the other side displays the best of Art of Opal Patterns.

A genuine collector’s piece with strength, contrast, and that unmistakable Koroit magic from every angle.

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

Total weight - 197.1cts approx.

Area of Mine - Koroit, Outback Queensland, Australia

Dimensions - 47.7mm x 32.9mm x 13.8mm approx.

Formation - Koroit nut

Shape - Freeform

Colours - blue, green

Extras - Free International Airmail / shipping automatically applied when purchasing this item and/or bundling with any other purchase.