This is a lie. All kinds of jade mattresses are fake. You can pretend to buy it, record the clerk's propaganda and report it to the local quality supervision bureau. It was exposed many years ago. But until now, quality supervision bureaus in many places will still receive reports from the masses.

Tourmaline, the handicraft name of Tourmaline, is a kind of jewelry in Tourmaline family. It is a borosilicate crystal, containing chemical elements such as aluminum, iron, magnesium, sodium, lithium, potassium and so on, showing a variety of 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.

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The mineralogical name of tourmaline is tourmaline, and the English name is tourmaline, which comes from the word "Turmali" in ancient Sinhalese language, meaning "mixed gem". In some historical documents of our country, it is called arsenic, tourmaline, bixia stone, broken evil gold and so on. Tourmaline crystal Tourmaline is a complex triangular columnar crystal, and there will be characteristic growth stripes on the surface of the crystal parallel to the extension direction of the columnar crystal. In cross section, it is a curved spherical triangle.