Tourmaline can permanently generate micro-current, which is similar to the current of human nerves, so it can promote blood circulation and patency. In addition, tourmaline can release negative ions, adjust the ion balance of human body, relax body and mind, activate cells, improve self-healing rate, etc., and inhibit body oxidation and remove odor.
Tourmaline also contains various natural minerals. When people come into contact with tourmaline, or steam in such a room, these minerals needed by the human body will be easily absorbed by the weak current of tourmaline, thus achieving the function of supplementing trace elements in the human body. In addition, tourmaline can also release far infrared rays, penetrate deep body, warm cells, promote blood circulation and promote metabolism.
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There are three kinds of tourmaline: iron tourmaline, lithium tourmaline and magnesium tourmaline.
Tourmaline is generally a columnar crystal, and lines parallel to the longitudinal direction can be seen from the side, that is, lines appearing on the surface of the crystal. The cross section is hexagonal, but most of the three sides are large and approximate to triangles.
The two end faces of a columnar crystal are 120 degrees, which is like wearing a hat. The difference between the top and bottom is 180 degrees, and the angle of the end faces is also different. This phenomenon of up-and-down asymmetry is called heteropolar image. In addition, ferritourmaline is particularly easy to form large crystals.
Tourmaline color and transparency Iron tourmaline: opaque, black lithium tourmaline: transparent to translucent, pink, green, blue, yellow sand, white and so on. Only a tiny part of high quality can be made into gems.
Magnesium tourmaline: opaque, partially translucent, yellow, dark green, brown and black. What needs to be emphasized here is that although the transparency and color of various tourmalines are different, their properties are basically the same. Because of this, tourmaline without gem value is used in industry, agriculture, environmental protection, health and other fields, and its utilization value is more valuable than dazzling gems in a sense.
As far as storage is concerned, the output of iron tourmaline is the largest in the world, especially in China, where most popular products are made of iron tourmaline. The proportion of tourmaline is generally 3.0-3.3, and its composition is different according to different tourmalines.
Therefore, the specific gravity also changes slightly. The order of specific gravity from large to small is: iron, magnesium, lithium, tourmaline has a fairly high hardness, generally 7-7.5 Mohs hardness, and the crystal properties of tourmaline.
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