The color of black jasper through the light is relatively pure dark green. In the traditional sense, the jade is specifically formed by the intrusion of white jade and sapphire by graphite. As the jade, of course, the darker the better, but it must have jade, otherwise it is stone, most of the jade is gray and gray. It is not black or white. This material is called "blue and white". Generally speaking, the jade quality of "blue and white" is quite delicate, and the fat is very good. It has a unique feeling. The black and white "blue and white" is very popular among jade. Can be used for clever carving, black and white distinct blue and white seed material commonly known as black and white. So what are the identification methods of black jasper?
Black jasper is almost black in the sun, and under the strong light, under the pure black background, it is seen in dark green.
Determine if black jasper should pay attention to:
First, it must be nephrite:
Second, the texture is very delicate, tough, very pure, and slightly transparent;
Third, the appearance is almost black, the color of the light is a pure ink
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