How to identify the authenticity of the black tourmaline
As a kind of opaque tourmaline in crystal stone, black tourmaline is rich in mineral elements. Pure black tourmaline belongs to the top of the tourmaline. In foreign countries, black tourmaline is generally an important ornament in solemn occasions. It can give hints to people psychologically, making us more confident and strong. Tourmaline is the strongest gemstone in the spar. It can eliminate the turbidity in the human body, and it is called "Fujing". The crystal stones on the market are dazzling, how to distinguish between true and false? Limb induction Tourmaline is a kind of crystal stone, which has good thermal conductivity. Touching the temperature change by hand, the heat is fast and fast. When you buy, you can put the tourmaline in your hand and feel it for a while. If the temperature is not obvious, it is probably not true tourmaline. Tourmaline appearance There are many colors of tourmalines, of which the pure color tourmaline belongs to the top grade. Natural black tourmaline is crystal clear, we all know that naturally formed gemstones generally have a growing texture inside, which is the most obvious difference from artificial products. Tourmaline needs to be cut according to the natural structure when it is made. Good workmanship should reflect the brightness and fire of the tourmaline as much as possible. Gloss The good black tourmaline, its color is symmetrical, shiny and fine texture. The difference in gloss also determines the different prices of tourmaline. Generally, the surface of the fake and inferior products is matte and rough. In the process of selecting tourmaline, it can be observed by friction and contrast. Tourmaline has thermoelectric effect. After the natural tourmaline is heated by friction, as in our experiments in the physics class, it can pick up fine dust and paper dust. Counterfeit does not have this feature. Different components Black tourmaline is denser, and in the same size bracelet, the natural tourmaline is relatively heavy. The growth of natural tourmaline creates the compactness of its internal structure. It can be separated from the hand by hand, and the beads of the same specification are much lighter than natural ones. Purchase channel The production area of ​​tourmaline is generally in remote countries such as Europe and the United States. When buying, you should pay attention to the purchase of regular shop manufacturers, and observe the work when purchasing. Embroidery is a general term for various decorative patterns embroidered on fabrics by needle and thread. Embroidery is divided into silk embroidery and feather embroidery. It is a kind of decorative fabric that uses a needle to puncture silk thread or other fibers and yarns with certain patterns and colors on the embroidered materials, and then forms the decorative pattern with the embroidery trace. It is the art of adding human design and production to any fabric that exists with needles and threads. Embroidery is one of the traditional Chinese folk crafts, which has a history of at least two or three thousand years in China. Chinese embroidery mainly includes Suzhou embroidery, Hunan embroidery, Shu embroidery and Guangdong embroidery. Embroidery techniques include: wrong needle embroidery, random needle embroidery, net embroidery, all over embroidery, lock silk, nasi, Najin, Pingjin, Yingjin, Panjin, fluting, scraping, poking, sprinkling, cross stitch, etc. the main uses of embroidery include life and art decoration, such as clothing, bedding, tablecloth, stage, art decoration. Custom Iron On Embroidery ,Custom Embroidere,Sew On Embroidered Appliques ,Embroidered Morale Patches Shenzhen Longxiang embroidery products Co., Ltd , https://www.lxembroidery.com