What kind of gold does Mo Ding use to draw gold?

Copper and gold. On the Mo Ding, all kinds of traditional patterns are painted with copper gold powder, so it is copper gold. Mo Ding, one of Four Treasures of the Study, is divided into Murray, Huimo and Jiang Mo due to its different origins. Mo Ding divided the ink balls into small pieces, put them into bronze or wooden molds, and pressed them into Mo Ding for calligraphy and painting supplies.