Xiuyan jade is produced in Xiuyan County, มณฑลเหลียวหนิง, and is also called Xiuyan jade. It is a serpentine nephrite. There are more than ten colors of Xiuyu jade, สีเขียวเป็นหลัก, dark green rock, สีขาว, สีเทาควัน, เป็นต้น, as well as a mottled color composed of various colors.
Xiuyu jade is widely used as a carving material for handicrafts and made into various jade products, such as ladies, birds and beasts, utensils, ดอกไม้, bonsai, เป็นต้น, as well as jade pendants, jade rings, jade bracelets, ต่างหู, เป็นต้น, and fitness Jade pillows, fitness balls, ฯลฯ.
The jade pillows carved by Xiuyu have been found to have special effects on headache, dizziness, insomnia, neurasthenia, hypertension, and cerebrovascular arteriosclerosis through clinical experiments. Especially for long-term use, it is said to reduce wrinkles, freckle, strengthen yang and nourish the kidney, nourish yin and blood, and also enhance memory and refresh people’s spirits. ในระยะสั้น, the jade pillow made by Xiuyu has the function of preventing and curing diseases.