黑皮和田青玉籽料。糯性上乘、细腻油润，呈椭圆形，完整保留长期经流水冲刷产生的原皮原毛孔原缺口，非加工滚料山料）；内含青玉肉质细腻，表面光滑圆润，大部分肉质为黑皮包裹，小部分肉质石化，是和田玉矿石大自然玉化过程的中间过渡产品。黑色千百年来都作为一种经典颜色。黑皮和田玉是因玉质中渗入了外来的铁、锰等深色矿物，尤其是在玉质松散或有裂隙的地方，慢慢地沉积，最后便形成了颜色较深的皮子，这也就是就是所谓的“黑皮料”。此外，黑皮料的黑皮外层，往往有一层灰色的石皮，把最外层的这层灰色石皮去掉以后，就可以看到里面的黑皮。 A Chinese natural black curticle Hetian blue jade. The artisan left part of the cuticle on front surface of the jade body, forming a boat figure and a Chinese character 'smoothness' that signifies life to be like smooth sailing. Hetian Jade has the meaning and properties to prevent emotions from being disturbed. It is a healing stone that holds the power to keep calm. ... Hetian Jade is classified as a gemstone called "Nephrite". It is a special Nephrite produced in Hotan of Xinjiang Uygur Autonomous Region of China. Demensions are: 1 5/8 inches long X 7/8 inch wide X 2 7/8 inchese tall.