The tourmaline is a mineral belonging to the silicate minerals are rare or very rare. Tourmaline is a natural semi-precious stone. It was discovered in Brazil. It characterized by a high concentration of ions and emits far infrared (FIR). P>

Name tourmaline h3>

The name tourmaline comes from the Sinhalese word "Turm", which means that the object after heating have the ability to lift the ash. These minerals are called in many ways depending on their color. Among them meet achroit, Rubelita, werdelit, indygolit, all these tourmalines have their common name - ELBAITE. Elbaity colors are blue, green and red. Black tourmaline is schorle, brown tourmaline is called drawitem. Multicolored tourmalines also have their own special names. Completed black wardelit (green) is called "head Maura", "Turkish head" called the same mineral finished in red. The name "Turkish head" comes from the red headdress - fez worn by the Turks. One of the most interesting varieties of tourmaline Watermelon tourmaline is from outside the green and in the middle of pink or reddish. P>

Tourmaline properties h3>

tourmaline generally form crystals crystals the bar, the rod or needle. They are found in dense clusters, the rod, granular, and radial needle. Tourmalines to focus radial called "turmalinowymi suns." Part of tourmaline has pleochroism and chatoyancy. It is also seen "aleksandrytu effect" - in natural light are yellowish in artificial - orange-red. Tourmaline electrifies easily attracts dust, scraps of paper (a pyro and piezoelectric). Due to this phenomenon tourmaline should be cleaned more frequently than other stones. To clear this mineral wash it in lukewarm water and leave in the sun. P>