Tourmaline gemstone is a unique gemstone renowned for its wide range of colors, including red, green, pink, blue, and multi-colored specimens. The most prized color of Tourmaline gemstone is considered to be the "Paraíba" variety, which is a bright, neon blue or greenish-blue color due to traces of copper. Tourmaline gemstone is found in many locations around the world, including Brazil, Afghanistan, and the United States.