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A Naturally formed Boulder Opal piece from Central Queensland, Australia.
This piece holds great potential to be turned into a gemstone.
The material has been priced on what is in the deal not by weight.

Naturally formed opal in hard boulder material.

Wetted to bring out colours
Rule in Millimeters
Measurements are generally rounded down and approximate

Colour : Please note the camera has been white-balanced to give truer colours NO Photo Shopped enhancement.
Video form part of the description.