1. Avoid collision. When we wear tourmaline bracelets, we must pay attention to avoid collision. Although the hardness of natural tourmaline is very high, it is also very brittle and easy to split due to collision. Therefore, when we wear tourmaline bracelets, it is best not to do some intense sports, such as playing basketball and badminton.

2. Avoid high temperature. When we wear tourmaline bracelets, we must avoid contact with high temperature, because tourmaline is a gem that is very afraid of high temperature. If exposed to high temperature for a long time, it will easily affect the internal structure and color of tourmaline, which will eventually lead to the color of tourmaline being worse than before. So we'd better not wear tourmaline bracelets when taking a bath or steaming sauna.

3. Avoid acid and alkali substances. In fact, when we wear tourmaline, we must not let some acid and alkali substances come into contact with tourmaline, such as shampoo, soapy water, shower gel, detergent and so on. These substances are all acid-base substances, which will have a great influence on the surface of tourmaline. So when we do some housework, we'd better take off the tourmaline bracelet in advance.

4. Tourmaline is the handicraft name of Tourmaline, which is a kind of jewelry of Tourmaline family. It is a borosilicate crystal, which contains chemical elements such as aluminum, iron, magnesium, sodium, lithium and potassium, and presents various colors.

The English name of tourmaline comes from the ancient Sinhalese word Turmali, which means "mixed gem". The composition and color of tourmaline are very complicated. The international jewelry industry basically divides tourmaline into commercial varieties according to color. The brighter the color, the higher the value. Pay attention to color, transparency and purity when purchasing.