Tourmaline belongs to precious jewellery. Many merchants will take the opportunity to sell fake goods. It is difficult for people who don't know it to distinguish, so be careful when buying. How to choose tourmaline? Picking a tourmaline should pay attention to the following aspects. Five factors to choose from: (1) Transparency: Tourmaline requires crystal clear, the more transparent the better the quality, do not have obvious fog or opacity. (2) Color: Tourmaline is more expensive in red, blue and green. In the choice of inlaid tourmaline jewelry, red, blue, green is better, the color is required to be 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; tourmaline is rich in color, and more valuable is the presence of two or more colors on the same tourmaline, namely 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 the top grade in the tourmaline. (3) Clarity: The tourmaline is relatively brittle and prone to cracks. At the same time, it 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, while the inner pure tourmaline is also More rare, belongs to the top grade. When picking, try to pick the inside clean. (4) Cut: The cut of the tourmaline refers to the accuracy of its cutting ratio and the perfection after finishing the work. A good cut should reflect the brightness and fire of the tourmaline as much as possible. (5) Carat weight: The weight of tourmaline is calculated in carats. 1 carat = 200 mg = 0.2 g. In the case of other similar conditions, as the weight of tourmaline increases, its value increases geometrically; the same weight of tourmaline will vary greatly depending on the color, clarity, and cut. In each of the different sizes and shapes, the most important thing is to find a tourmaline of the right size and style that will make you like it. Doctor Uniforms hospital Uniforms Guangzhou Hanguang Fashion Co.,Ltd , https://www.aliuniform.com