This black opal cabochon is an excellent choice for jewelry making. With a weight of 3.10 carats and a size of 10x12 mm, it is perfect for creating unique and stunning pieces. The gemstone has a beautiful opaque black color and an opalescent effect that adds to its charm. This natural gemstone has been polished to a high shine and has an oval shape with eye-clean clarity. It has been sourced from Ethiopia and is 100% natural. This vintage gemstone has been smoked for a unique effect. It comes with a certification and is available for wholesale purchase.