The ancients arranged jade in caskets in the hope that it would keep the corpses from rotting and protect the dead from devils.
楊達志說，他偶爾也把收藏之玉塗以香水，日久確實能發出香氣。這種說法究竟可信度有多高？研究古玉頗有心得的姚夢谷卻說，國內外玉器見過不少，唯獨沒有見過香玉。