Zi Collection, Upper Volume, Page 34, Entry 05 Radical: Stone (shí) Pronounced dǎn. In the "Guangyun" (Guangyun), the pronunciation is transcribed as dǔ gǎn. In the "Jiyun" (Jiyun) and "Yunhui" (Yunhui), it is transcribed as dǔ gǎn. The pronunciation is the same as "dǎn". The "Yupian" (Yupian) records: "Shí dǎn" (石䃫) is a type of medicinal name produced in the region of Shu. The "Zhengzitong" (Zhengzitong), citing the "Bencao Gangmu" (Bencao Gangmu), states: "Shí dǎn" (石胆) is the juice of stone, resembling bile, with a sour and pungent taste and a cold nature. It can treat various types of epilepsy, kidney stones, and eye pain. The common variant character is written as 䃫.