Oval Pinfire White Opal Cabochon

This item is an oval-shaped, highly polished white opal cabochon, likely originating from Coober Pedy, Australia. The stone exhibits a semi-translucent milky white base body color with a vibrant 'pinfire' play-of-color pattern distributed relatively evenly across its surface. The iridescent flashes consist predominantly of sparkling greens, yellows, and oranges, with subtle hints of red and blue visible under direct light. In terms of size, the stone appears to be approximately 10-12mm in length based on the scale provided by the adjacent finger. The crown is cut with a medium to high dome, which enhances the depth of the color play. The surface appears to be in excellent condition with a high-luster glass-like finish, showing no immediate signs of chips, significant surface scratches, or 'crazing' (internal cracking). The symmetry of the oval cut is precise, indicating professional lapidary craftsmanship. While no maker's mark is present on a loose gemstone, the quality of the finish and the brilliance of the spectral flashes suggest a high-grade natural precious opal. This specimen represents a classic example of Australian sedimentary opal, characterized by its stable structure and brilliant internal diffraction of light.

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