Boulder Opal From Quilpie Qld
An exquisite Boulder Opal specimen from Quilpie, Queensland
Boulder opals, only found in the Quilpie and Winton opal fields of Queensland, are recognizable from the solid layer of brown ironstone that remains on the underside of the stone. They are extracted from substantial ironstone boulders underground, where luminous, irridescent opal forms within narrow veins and crevices.
Due to the delicate nature of these opal veins, the ironstone backing is maintaing, to keep the integrity of the stone. Though thin, they display a stunning array of colours.
Specimen size: 140x70x50mm
Weight: 644g
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