Introducing the chemical composition of "Bixi"
Tourmaline: Tourmaline, also known as tourmaline, the English name Tourmaline, derived from the ancient Tunga Luo (Ceylon) word Turmani, meaning "mixed gems." Hardness 7-8 Everyone in the tourmaline will often see it in the place where crystals are sold, and many people think it is crystal! In fact, it is a gemstone, and it is the finest gemstone. Its color is easy to distinguish. It mainly depends on the overall clarity and the degree of the body. The good color is very thorough and bright, so that you feel a layer of oil. Like it! Similar to Pandora's beaded wholesale ruby: the quality of a tourmaline is 4C and 1T: colour, clarity, cut, carat weight, transparency. (1) color The price of Pandora glass beads is mainly limited by color. In the international market, the price of the bright red and bright blue tourmaline is the highest, and the red and green two-color and rose-red, emerald green tourmaline is also very popular in the market, and the price is higher. In the choice of inlaid tourmaline jewelry, the color is even and beautiful; in the necklace and bracelet, the color is better, the color of each bead can be different, with red, yellow, blue, green, purple and other colors; charm Pandora's color is more abundant, and more valuable is that there are two or more colors appearing on the same tourmaline, that is, two-color tourmaline or multi-color tourmaline, and the inner-infrared green watermelon tourmaline is also more precious; in addition, the tourmaline cat eye belongs to tourmaline. The top grade. (2) Clarity The nature of the tourmaline is brittle and prone to cracks. At the same time, the interior contains a large number of inclusions. The presence of a large number of cracks and inclusions will affect the transparency, color and fire of the tourmaline. The inner pure tourmaline is also rare and belongs to the top grade. When picking, try to pick the inside clean. (3) Cut The tourmaline's cut is the accuracy of its cutting ratio and the perfection of the finish. The shape design of tourmaline must firstly maintain the weight of the original stone according to the cleavage, quality and weight of the original stone, and dissect the original stone structure in the best state; and ensure the restoration of the color after the tourmaline is cut, showing the most beautiful Color, and then use the best method to deal with the original stone ç‘•ç–µ, to design the best tourmaline shape. For example, it is very important how some catfish with cat-eye effects make it fully express its special effects. A good cut should reflect the brightness and fire of the tourmaline as much as possible. (4) carat weight The tourmaline weight is calculated in carats. Under the condition that other conditions are similar, as the weight of tourmaline increases, its value increases geometrically; the tourmaline with the same weight will have a far-reaching value due to the difference in color, clarity and cut. (5) Transparency Tourmaline requires crystal clear, the more transparent the better the quality, do not have obvious fog or opacity, the higher the transparency, the higher the price. Some of the tourmaline pendants, bead strings and engravings have more internal ice cracks and poor permeability. The merchants will increase the transparency through the injection molding process to cover up some cracks and impurities! High-quality tourmaline will not go to the glue injection process, so generally do not worry about the high-grade tourmaline has the phenomenon of injection molding, but the lower price of the tourmaline may be glued! Fur Scarf,Mongolian Lamb Fur Scarf,Fur Scarf Women,Cashmere Wool Scarf Ning Xia Most Glory International Trading Co., Ltd. , https://www.nxmostglory.com