Dimensions: Length: 8.5 Width: 8.5cm, Height: 16cmChinese Shang Dynasty Jade Cong Shape. Jade carved in thick and tall, squared body, with circle opening mouth and base, raised on shallow foot. Essentially tubes with a square cross-section and a circular hole, having rib molded corners in form of a traditional hair pin along the sides stacked as modules, one atop another. The celadon Jade has a lustrous tone, with pale-celadon iridescent and attractive sporadic brown red russet inclusions, exquisite and detail, porpoise body. The shape of the Zong with its square and circular shape could be interpreted as the unity of heaven and earth where the square represents the earth and a circle represents the heaven. The Nephrite Jade has a lustrous tone, with pale-celadon iridescent and attractive sporadic golden russet inclusions, exquisite and detail, the jade stone have clean tone, with pale-celadon iridescent and moist milky appearance.