- Size: 16 cm - Bead diameter: 5.9 mm - Material: Tourmaline Purchased during an Instagram live sale, this item is unused. It has multiple colors and cat's eye effect, and the overall color scheme is chic. Despite the small beads, it has a powerful presence. If you are interested, I will replace the string with clear silicone rubber and ship it. I will also include crystal gravel and white sage as a gift.