Discovery and Preliminary Study of Shuang Shan Jade in Fangcheng, Henan

This paper studied the mineral composition, structure and gemstone characteristics of Shuangshan jade newly discovered in Fangcheng area of Henan Province by means of polarizing microscope, XRF, XRD, EPMA and FTIR. The results show that the main mineral composition of Shuangshan jade is tremolite, carbonate mineral and serpentine. The main structure is fibrous or long columnar, granular or short columnar, and scaly.The rock characteristics have reached the jade level. Shuangshan jade has been processed into and sold as carving ornaments.