Natural Gemstones Handcrafted in Sterling Silver

Boulder Opal Rings

Boulder Opal rings


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Boulder opal is one of the world’s most beautiful and versatile gems, having every known pattern and variety including the brilliant black and sparkling crystal. Boulder opal is classified as a solid opal and occurs as thin veins of precious opal in cracks and cavities of ironstone. During processing, the stone is cut leaving the natural host rock as backing. The opal occurs as either a solid piece of colour on top of the ironstone or showing as flashing flecks of colour throughout the stone. The Opalton-Mayneside area of Queensland, Australia, has a reputation for producing the most brilliant boulder opal. In many mines, boulders occur at random within specific boundaries, giving little guidance to the inexperienced of their concealment.