Vermont Serpentine Spheres with Metaphysical Properties Two 80mm Diameter Spheres An excellent stone for meditation - Vermont Serpentine quarried in Rochester, Vermont Two versatile sizes for healing, massage, display or decorative purposes Set of 2 spheres, each one 3.15" (80mm) Beautiful dark green & black with white distinct and cloudy veining Perfect for massage balls. Highly polished to a reflective shine.