Xiyu is the rock jade. Xiuyan jade is named after it is produced in Xiuyan Manchu Autonomous County, Anshan City, Liaoning Province. The material composition of Xiuyan jade is complex, and its physical properties and arts and crafts characteristics are also different. Therefore, it is not a single jade species. According to the different mineral composition, Xiuyan jade can be divided into three kinds of serpentine jade, tremolite jade, serpentine jade and tremolite jade, among which serpentine jade is the main one. The tremolite is mainly composed of tremolite, and the chlorite jade is mainly composed of chlorite. The structure of Saitama Due to the differences in mineral composition, genetic origin, particle size and symbiotic relationship of different stones, the jade structure of Xiuyan jade is quite distinctive. The structure of Xiuyan jade is mainly dense block, especially for high quality jade. Those jade stones that have a vein-like interpenetrating structure, a sheet-like structure, and a fragmented structure have poor texture or do not meet the quality requirements at all. So how do you distinguish between jade and jade? First, try the hardness. The hardness of the jade jade is significantly lower than that of the jade. The scratches of the jade skin can be scratched with sharp objects, while the jadeite will not be damaged. Second, look at the luster. The gloss of the jadeite is lustrous in the transparency, and the jadeite shows the rigid glass luster. The third is the specific weight. The same volume of jade and jade, jade is slightly lighter than jade. Polyester Cotton Plaid Fabric,Polyester Cotton Fabric,Check Fabric,Shirt Fabric 100% Cotton Shaoxing City Yongteng Textile Co., Ltd. , https://www.yongtengtex.com