Black opal is a precious gemstone known for its dark body tone, which enhances the vibrant play of color within the stone. It is primarily found in Australia, particularly in the regions of Lightning Ridge and Coober Pedy. The unique color patterns can include flashes of red, blue, green, and yellow, making each stone distinct. The value of black opal is determined by its color intensity, pattern, and brightness. Unlike other opals, black opals have a darker background that allows the colors to stand out more vividly. This makes them highly sought after by collectors and jewelry enthusiasts alike.