What is the color change after tourmaline is worn?
The color of tourmaline varies from ingredient to ingredient, but the color of some tourmalines is related to color. For different color centers, there are different stability. The latter can be improved by heat treatment. What is the color change after tourmaline is worn? If the tourmaline has obvious color changes during wearing, then the quality of this tourmaline should be problematic! Nowadays, some of the more beech beads and tourmaline figurines on the market have been artificially heated. But even then, its color will not change significantly during wearing! The color of tourmaline is caused by its trace elements. These trace elements are not freely free in the tourmaline ore, they existed millions of years ago in geological mineralization. The tourmaline gem is in contact with the human body during wear. As the sweat and oil of the human body are moisturized, it will be brighter and more transparent, but objectively it will not change the physical properties of the tourmaline. Of course it will not change its color. For the heat treatment of tourmaline, the temperature must be controlled below 600 ° C, otherwise the structure water and f volatilization, the structure of tourmaline crystals will be destroyed, and the transparency will be reduced. In addition, there are some unscrupulous merchants who perform irradiation and coating treatment on tourmaline. Such a tourmaline will have obvious color fade and weak gloss when worn. Therefore, if your tourmaline is discolored during wearing, then its quality must be a problem, it is likely to be coated or irradiated tourmaline. What is the color change after tourmaline is worn? However, at present, the gem-quality tourmaline has not been found to have irradiation and coating on the tourmaline market! The most irradiated coating is on the tourmaline bead. JINGJIANG SHIJIA INTERNATIONAL TRADING CO.,LTD , https://www.jjsjinternational.com