Very special Xiu Jade (Serpentine) with a little marble structure like ink and water melting together. Under the light, you can see there are small white dots inside like snowing. This type of Xiu Jade is more special, and higher quality on smoothness. Bangle Inner Diameter is 67mm, fitting Large to X-Large women’s wriest and Medium-Large man’s wriest. 2” and 11/16inch Width/Thickness: 14mm Total Diamiter Outside to outside: 3 1/4 inch It needs much bigger stone to get thick and wide size like this.