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

绿石玉或绿石质翡90%以的绿石组成的为一种单一矿物的玉石,其颜色为墨绿色,透明度高,商业俗称墨。