Tourmaline is a unique natural stone that contains a constant electric charge, similar to the charge in the human body. And it has the ability to emit infrared radiation.  This mineral forms in a wide variety of colors. The chemical composition determines the hue of the stone. A variety of shades allows choosing one for all tastes.  The mineral came to Europe from the island of Ceylon in the early 18th century. It immediately won the hearts of the nobility and gained great popularity. At the same time, esotericists discovered that tourmaline has magical properties. And till now it is used as a talisman.