Tourmaline is a stone of mixed colors and is named from the term turamali. It is a very versatile stone and can be available from colorless to black as per the convenience of the user. Since this stone can be in any color; it is usually mistaken for any other stone as well. The stone can be electrically charged by heating or cooling and applying pressure by rubbing tourmaline. It is majorly found in Sri Lanka and is a birthstone from the month of May.