8mm round. You will receive a 15.5 inch strand of A grade peach moonstone beads. These beads are just lovely. You will love the fiery sheen within these beads. We just love the metaphysical properties of this stone. Here goes. Peach Moonstone supports the heart as it stimulates the mind, soothing worry or anxiety, and bringing out the best in people. Its loving energy promotes the Divine in all situations. Isn't that just wonderful? Enjoy these beautiful beads.