Natural Iolite (cordierite) is a cyclosilicate aluminum, magnesium and iron. Madagascar, Sri Lanka, United States. Stone discovered by the Canadian Pierre Cordier (cordierite). It is called a compass stone because this stone brightens towards the sun even if the sun is hidden by the sun. The lithotherapy books grant him the faculty of alignment of the chakras, helps to understand the causes of addiction and purifies the thoughts, Determination, capacity of endurance, clarification of the mind and the memory. This stone is not very well known and for all that it is very interesting, naturopaths also use it, associated with tungsten, as stones corresponding to the Rescue of Doctor Bach.