De “four famous jade” in China generally refers to the “Hetian jade” produced in Xinjiang, the “Dushan jade” produced in Nanyang, Henan, the “Xiu jade” produced in Xiuyan County, Liaoning, and Yunxian County, Hubei. De “turkis”. I tillegg, some people think that “Lantian jade” should be included in China’s “Four Famous Jade” instead of “turquoise.” […]