*''Duan Ni'' pots with various stones and minerals in addition to Zi Ni or Zhu Ni clay. This results in various textures and colours, ranging from beige, blue, green and black. | *''Duan Ni'' pots with various stones and minerals in addition to Zi Ni or Zhu Ni clay. This results in various textures and colours, ranging from beige, blue, green and black. |