Choose stone to look at the surface and then look at the texture

The quality of stone depends on the quality of raw materials and processing technology. High quality stone material surface, does not contain too much noise color, cloth color even, does not have the obvious light and shade turning situation, but after the quality second stone material through the processing will have many cannot make up for "the defect", said therefore, the stone material surface decorative pattern tone is the appraisal stone material quality merit and inferiority important index. If processing technology and technology do not pass, the finished products after processing will appear warping, depression, color spots, stains, lack of edge off Angle, crack, color line, pit, such as the phenomenon, such as stone are "defective".

Below normal circumstance, good stone material should have such characteristic: the surface is smooth, when using the hand to touch, do not have coarse feeling; The front side is bright, the reflection effect is consistent when viewing the light, and there is no flickering phenomenon; The cut edge is flat. When viewed from the side, the cut edge presents a straight line without jagged convex or concave points. Uniform color, the surface of each stone without color difference; Clear texture, the same kind of stone texture consistent, no obvious difference.

Can listen to the knock sound of stone material when buying, its knock sound of stone material with good general quality is clear and pleasing, if stone material interior exists slight crack or because decency brings about contact between grain to become loose, knock sound is coarse, also make clear stone material quality is not beautiful. And the dimension specification that also wants to measure stone material when buying, lest affect joining together, or the design after causing joining together, decorative pattern, line is out of shape, affect adornment effect.