In recent years, red coral price goes high continuously, market price case already exceeded He Tianyu, some jeweller still say Gong Shanhu will become the hype heat that collects a bound below one round. (the picture comes from Oriental IC)See grain, gong Shanhu is having parallel Yu Shanhu to grow directional Zong Wen, and platoon cloth is relatively close together. In addition, there is the annulus grain like the annual ring of the tree on Gong Shanhu's cross section. When be being differentiated with naked eye, should notice to see these two kinds of grain. | | | (the picture comes from Oriental IC)See color, gong Shanhu's color is a kind of fresh and vivid red, no matter be shallow,be deep, it is live scene, not formalist, not Yu Jie. Gong Shanhu contains bright waxiness burnish commonly. Colored red coral does not have burnish already, color also Yu Jie sinks to death. (the picture comes from Oriental IC)