Figure 39. Liangzhu disc with cracks on the crust.
Liangzhu disc with cracks on the crust.
Promoting chemical weathering as a tool to combate fake antique nephrite jade.
Promoting chemical weathering as a tool to combate fake antique nephrite jade.
Figure 39. Liangzhu disc with cracks on the crust.
Nephrite Jade radix cultura 