Boulder Opal Green Blue Cabochon

A captivating boulder opal cabochon displaying vivid green and blue play-of-color set against its natural ironstone matrix. Boulder opals are among the most sought-after opals in the world, and this piece showcases a brilliant range of green and blue hues that shift and shimmer with every angle. Perfect for use in pendants, rings, or earrings, or as a standout addition to any opal or gemstone collection.