Very heavy and attractive healing sphere carved from natural Onyx crystal stone by expert craftsmen, heavy inclusions of Chocolate calcite can also be seen in the sphere. Onyx healing spheres are very rare and its glow and luster is amazing when placed under light as shown in pictures. Onyx consists of fine inter growths of the silica minerals quartz and morganite. Onyx is an excellent stone for releasing negative emotions such as sorrow and grief, and therefore brings good fortune and helps in recognizing personal strength. The circumference and diameter of this sphere are mentioned below. Weight: 1388 gm Circumference: 319 x 319 mm Diameter: 105 mm Approx Registered international shipping