When we are dealing with stone, we will encounter the problem of stone color difference. There are three ways to eliminate the chromatic aberration of the stone, that is, to add color, touch up and change color. Adding color is to enhance the original color of the stone, making it more beautiful and more concentrated. The touch-up is to make the stone more delicate, more moisturizing, bright and beautiful without changing the original color of the stone. The color change is to change the unpopular stone with poor material color and make it become the color that everyone likes in the market.
The color of the stone is mainly determined by the color of the minerals it contains. In general, minerals in stone have three main colors: white, self-color and false color. The color is the color formed by the mixed impurities contained in the mineral material. Self-color is the color of the material of the mineral material itself, that is, the color of the ions that make up the mineral itself. The false color is a color expressed by the interference of light waves caused by oxidation or decomposition of the surface material of the ore.
The treatment of the color of the stone is based on the mechanism of forming the color of the stone, and the three colors are used to modify the stone. At present, there are mainly three treatment methods, namely, physical coloring method, chemical coloring method, and physical chemical coloring method. Physical coloring changes its color primarily by incorporating different minerals. The chemical coloring method is to introduce a pigment into the interior of the stone to chemically react with the internal material to achieve the purpose. The physical chemistry master works together through the physical substance incorporation and the chemical pigment introduction reaction, and finally achieves the purpose of discoloration of the stone.
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