Boulder Opal Cabochon Natural Koroit Yowah Nut Australian - Pretty Opal Veining - Nut portion - Free Form

Boulder Opal Cabochon Natural Koroit Yowah Nut Australian - Pretty Opal Veining - Nut portion - Free Form

99.64

weight = 65.5 cts
size - 37mm x 19mm x 8mm
shape - Geometric Free Form - Domed on the back - this will be a challenge to bezel set
Surface polish is very good on both sides

Yowah is known for it's unique and distinctive matrix opal and much sought after "Yowah Nut" opal. The opal field itself is quite small, about 2.5 square miles. In this extremely harsh and arid section of Queensland, where the only reliable water comes from the Artesian Basin, hundreds of feet underground, the finest gem quality opal are sometimes found.
This is a beautiful Australian Opal that comes from the Koroit Mine area Yowah Australia.

Yowah opal's have become world renowned for its beautiful picture stone, Yowah Nut (kernal of crystal) and ironstone matrix opal.

The electric blues and green's encased in ironstone (hemitite) are some of the most magnificent patterns ever created by nature, which no laboratory produced stone's can ever match.

This really pretty color Boulder Opal cabochon has really pretty modeling that shows the deep rings layers of the yowah nut - this is a very nice sized Large piece. This cabochon has some great light teal glass like opalescence. A few veins of green, teal, and a little flashing.This is a really pretty, very good quality stone. This is a Natural Australian boulder opal Stone.

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