These beautiful natural Onyx beads are a stunning addition to any jewelry project. Measuring 12mm in diameter, they are cut in the classic round shape and are sure to add a touch of sophistication to any piece! These onyx beads make a perfect backdrop for any design contrasting with brightly-colored gemstones beads or emphasizing the boldness of other Onyx beads. Their stone material is strong and durable, while their simple round shape makes them perfect for necklace and bracelet design. Each bead measures approximately 11-12 x 11-12mm with a hole size of approximately 1mm. You will receive a full strand measuring approximately 16". Add these Onyx beads to your design kit and create a timeless work of art.