You might have heard about the Topaz Stone – that it’s a kind of transparent mineral that is available in different colors, including a form that is colorless. But, did you know about the different types of topaz stones? Majorly, there are 5 different types of topaz stones: Blue topaz, Swiss blue topaz, London blue topaz, white topaz, and mystic topaz. Although you will find different types of topaz stone in different colors, yet, the topaz stone itself is allochromatic, meaning, in its purest natural form, topaz is of colorless nature.