Tourmaline are gemstones of extraordinary beauty and elegance, available in almost all colors of the rainbow. Tourmaline has a special property called pleochroism, which allows you to see different colors depending on the angle you look at it. A unique cut can create a spectacular play of colors that sparkle in countless shades depending on the incidence of light. Thanks to its hardness and durability, tourmaline is often used in jewelry making and is perfect for rings, earrings or pendants. On the Mohs scale, tourmaline reaches a hardness level of 7 to 7.5, which makes it a durable gemstone for everyday use. Tourmaline are not only extremely attractive gemstones , but also have positive energetic properties. They can help relieve stress and improve concentration, leading to a sense of calm and serenity. In esotericism, Tourmaline is considered an important healing stone, absorbing negative energies and releasing positive energy, improving mental clarity and promoting emotional healing. In addition to its use in jewelry and esotericism, tourmalines are also of interest in other areas of interest. They are good electrical conductors and can be electrostatically charged by rubbing or heat, making them useful for applications in electrical engineering and other scientific fields.