NWT Vintage Aurora Opal Pendant Black Plated Pendant SUPER DREAMY!! Aurora Opal is a high-quality, lab-created (synthetic) resin-impregnated opal known for its vibrant, non-directional, swirly play-of-color, typically displaying brilliant blues, greens, purples, and oranges. It is widely used in jewelry making, inlays, and specialty crafting like pen turning or knife handles due to its durability and unique, consistent patterns.