Wu Collection, Upper Volume
Radical: Jade (yù)
Ruan; Kangxi strokes: 19; Page 744, Entry 21
According to Collection of Rhymes (Jiyun) and Rhyme Anthology (Yunhui), the pronunciation is xuan.
According to Collection of Rhymes (Jiyun), it means a type of jade-like stone (min).
According to Rhyme Anthology (Yunhui), it is a stone resembling jade.
Book of Rites (Liji), section on Jade Ornaments (Yuzao): Gentlemen wear ruan-min and corded ribbons.
Explication of the Text (Shiwen): Ruan is also written by Xu as ruan (a variant stone character).
Classic of Mountains and Seas (Shanhaijing): Fuzhu Mountain. The Guo River originates here. Within it are many ruan stones.
Also, according to Collection of Rhymes (Jiyun) and Correct Rhymes (Zhengyun), it is pronounced ruan (rising tone). The meaning is the same.
Zhang Heng, Western Capital Rhapsody (Xijingfu): Ruan and min glistening and patterned.
Commentary: Ruan is pronounced ruan (rising tone).
Categorized Compilation (Leipian): Also written as ruan.