A Guide to Opal's Stunning Color Variations https://www.cabochonsforsale.com/gemstone/opal Opal is celebrated for its breathtaking array of color variations, from fiery reds and oranges to cool blues, greens, and violets. This unique gemstone's color play is due to its internal structure, which diffracts light into vibrant hues. Whether you're drawn to the warm tones of fire opals or the deep, mysterious shades of black opals, this guide explores the fascinating diversity that makes Opal a captivating choice for any jewelry collection.