1, appearance:
Pseudomagnetite is a mixed ore of hematite and limonite, with irregular and massive shape, some edges and corners are not obvious or slightly smooth, the surface is brown to brown, metallic luster or not obvious, and some are smooth.
The surface of the real magnet is ferrous black to brown, opaque and metallic, some are dull or covered with a little brown powder, some are rough and have a few pinholes, and some contain impurities of yellow or other colors.
2. In nature:
Pseudomagnets are heavy and hard, and are not easy to break. The cross section is granular, and yellow-white or gray-black impurity patches can be seen. Fake iron ore has no magnetism and does not have all the functions of magnets, so it cannot be used in medicine instead of magnets.
Real magnets are heavy, hard, hard to break, irregular in section and gray-black; Strong magnetism and iron absorption ability; It smells earthy and tastes tasteless. Insoluble in water and nitric acid, soluble in concentrated hydrochloric acid, the solution is orange, showing various special reactions of iron compounds.
3, tourmaline is a magnet, the protective gear itself does not give off heat, mainly because it accumulates body heat after being stuck on the skin to stimulate tourmaline to give off heat, which makes the human body feel the heat. The fever is related to everyone's physique and skin moisture. Tomalin also releases far infrared rays, and the most intuitive feeling for human body to receive far infrared rays is heat, thus achieving the effect of self-heating.
Extended data:
Efficacy:
1. Bright rainbow colors can give people a feeling of happiness and yearning, help broaden their minds and horizons, and have a certain auxiliary therapeutic effect on curing mental diseases such as depression.
Tourmaline contains energy, has a calming effect and can make people concentrate. Moreover, changeable colors can stimulate ideas and creativity, make people act steadily, do their best, and make their careers flourish.
Tourmaline is considered to be the top-class Wang Mishi, which comes from Guangdong civilization. In Guangdong, a good-looking woman is considered to be from Wang Fu. As the saying goes, tourmaline can make people feel better, so people who wear it often will become moist, shiny, very beautiful and beautiful in appearance.
Tourmaline can radiate a magnetic field with strong affinity, eliminate the gap between people and have a natural attraction to love and friendship. At the same time, people with leadership temperament wear tourmaline, which can release more charm and attract more people to gather.
5. In addition to the above effects, red and green tourmalines also have the meaning of getting rich. In the meantime, because the color of red tourmaline is close to blood, people think that red tourmaline also has the health care function of promoting blood circulation and has a good effect on treating dizziness and anemia.
Baidu Encyclopedia-Tomalin