Black jade arrive from black light and getting wicked , black its mostly cloud vaporific , pieces of banding , etc . 墨玉墨玉由墨色到淡黑色，其墨色多为云雾状条带状等。
2.
Various shapes that the color is leather , it is vaporific that some become clouds , some are the pulse form , some distribute some forms 色皮的形态各种各样，有的成云雾状，有的为脉状，有的为散点状。
3.
Graphite black , distribute among black jade , or take the form of asterism , aggregate form , appear black asterism , or cloud vaporific , pieces of banding dark line , etc . among white jade , other malachite does not generally have this situation 石墨呈黑色，分布于墨玉中，或呈星点状集合体状，在白玉中呈现黑色星点，或云雾状条带状黑纹等，其它玉石一般没有此情况。
4.
Black jade arrive from black light and getting wicked , black its whether cloud vaporific pieces of banding wait for , see more qingyu , white jade transition ; all black , gather the black difference of black , one , all black : namely black pure the persons who paint , is top grade , very rare 墨玉由墨色到淡黑色，其墨色多为云雾状条带状等，多见于青玉白玉过渡一般有全墨聚墨点墨之分，全墨：即黑如纯漆者，乃是上品，十分少见。
