Tourmaline is one of the most versatile gems which takes place in all the hues of the rainbow making it the most vivid of all gemstones. It happens in a variety of amazing shades like pink, blue, environment-friendly, multi-coloured, etc. Visibility of various trace elements trigger different shades in tourmaline, as an example, green and blue colours are caused by existence of iron while pink and red colors are caused by manganese.