To test the quality of the stone is good or bad1

Core tip: a simple test method to check the quality of stone carving. Usually in the back of the stone carvings on drop a few drops of ink, such as ink one soon, namely that exist within the stone loose particles or simple test method to check the quality of stone carving. Usually in the back of the stone carvings on drop a few drops of ink, such as ink one soon, namely that exist within the stone loose particles or aperture, stone quality is bad. Conversely, if ink drips to be not moved in place, explain stone quality of a material is good. A view, namely, visualizing the surface of the stone structure. In general, even the stone carving of fine structure has exquisite texture, is the best of stone; Coarse grain and the stone carving of a structure its exterior effect is poorer. In addition, the stone due to the influence of geological processes in which often produce some small crack, stone the most easily along these place fracture, should be paid attention to. For lack of edges and corners are affect beautiful, especially when the choice should be paid attention to. Two quantity, namely the stone size specifications, lest affect splicing, after mosaics pattern, decorative pattern, line or cause deformation, affect adornment effect. Three listen, listen to the percussion sound stone. In general, good quality stone carving the knocking sound is ringing pleasing to the ear; On the contrary, if the stone within slight fracture or become loose contact between particles, as a result of weathering, tapping rough. Four test, which is a simple test method to check the quality of stone carving. Usually in QuYang on drop a few drops of ink on the back of stone carvings, such as ink one soon, namely that exist within the stone loose particles or aperture, stone quality is bad. Conversely, if ink drips to be not moved in place, explain stone quality of a material is good.