Wu Collection, Lower Volume Radical: Stone (shí) 磩; Kangxi stroke count: 16 Page 835, Entry 40 According to the Extensive Rhymes (Guangyun) and Collected Rhymes (Jiyun), the pronunciation is qi. Ruan-qi refers to a stone secondary to jade. As written in the Western Capital Rhapsody (Xidu Fu) by Ban Gu: "The ruan-qi stones are rich in color." Also, according to the Collected Rhymes (Jiyun), the pronunciation is ce. A foundation stone is called a qi.