Vivid fire play, Oval cabochon (16×12×7 mm)

This 6.5 Ct Natural Black Ethiopian Opal features a smooth oval cabochon (16×12×7 mm) with vibrant flashes of red, blue, green, and orange across its dark body tone. Expertly polished to enhance depth and fire, it’s ideal for custom pendants, rings, or collectors seeking a rare, visually striking gemstone with exceptional natural beauty.