574.5cts - Large Tan Tribal Queensland Boulder Opal. Polished Specimen Yowah Displaying predominantly blue and green

Displaying predominantly blue and green colouration in a flag patterns

Setting - Bezel setting in genuine 18k gold

Multiple pieces available

This stone displays a full face of deep blue and green colouration in flag and chaff patterns on beautiful transparent crystal opal

Formation - opalised fossil / shell fossil replacement opal

574.5cts - Large Tan Tribal Queensland Boulder Opal. Polished Specimen Yowah Displaying predominantly blue and greenArt of Opal Candidate If not sold Pieces like this could be tomorrows Art of Opal masterpieces. A Large Australian Boulder Opal Tribal Specimen from the Koroit nut formation with colour and pattern in the skin of the nut. This stone displays blue and green colouration with desirable white potch opal contrasting with beautiful tan earth tones in intricate tribal patterns unique to the area. Cut to a large freeform shape with a quality finishing polish.