Stand out with dramatic style using the matte onyx 10mm round beads from Dakota Stones. These bold beads feature an orb-like shape for a classic look. They are filled with black color and display a soft, muted shine. Their large size makes for a nice showcase in necklaces or bracelets. This material has been rendered a uniform and permanent black color with a treatment by acid and sugar. This process has been used on this gemstone for thousands of years and is water safe. These beads are polished and then tumbled to achieve the matte finish. Mined in Brazil, India and Madagascar, onyx is said to enhance steadfastness and determination, setting one's mind to a task. These beads are available in 8-inch strands.