Omphacite jade or omphacitic jadeite jade, commercially named Inky Black Jade, is a virtually monomineralic rock composed of more than 90% omphacite.

玉或质翡翠是由90%以上的组成的基本上为矿物的玉,其颜色为墨色,透明度高,商业上俗称墨翠。