Wu Collection, Upper Volume Radical: Jade (yù) Du Kangxi strokes: 20 Page 744, Entry 28 Guangyun (Expanded Rhymes), Jiyun (Collected Rhymes), Yunhui (Collection of Rhymes): Pronounced du. Yupian (Jade Chapters): A precious stone from Kunlun Mountain. Guangyun (Expanded Rhymes): Name of a jade tablet. Also Jiyun (Collected Rhymes): A jade vessel.