What is a tourbaline?

Tourmaline is a complex boron silicate mineral that comes in a wide variety of colors, often displaying multiple hues within a single crystal. It is known for its unique crystal structure and electrical properties, which allow it to generate an electric charge when heated or pressed. Tourmaline is commonly used in jewelry and is also believed to have various metaphysical properties, including promoting balance and healing. Its diverse colors and varieties make it a popular choice among gem enthusiasts and collectors.