This Black Opal gemstone, exhibiting a unique broad flash pattern play of color. The shape is irregular, resembling a freeform cabochon, with a polished surface that displays a translucent quality. The primary color is a dark body tone with vivid green and blue flashes, indicative of a high-quality opal. The transparency is classified as translucent, allowing light to penetrate and enhance the internal color play. The polish is rated as excellent, contributing to the overall luster of the gemstone. The clarity is assessed as good, with minor inclusions visible under magnification, which do not significantly detract from the aesthetic appeal. The symmetry is not applicable due to the irregular shape. The composition is primarily silica with water content, typical of opal. This gemstone is suitable for use in various types of jewelry, including rings and pendants, due to its vibrant coloration and unique optical properties.