The belief that the soul projects out of the body and into mirrors in the form of reflection underlies perhaps the most widely known mirror superstition: that breaking a mirror brings seven years' bad luck. Many believed that breaking a mirror also broke the soul of the one who broke it. The soul, so angered at being hurt, exacted seven years of bad luck in payment for such carelessness.
magic recievers - supernatural links often attributed to things that people do not understand. Mirrors seemto posses a power beyond the natural, a reflection of the truth, and so became a handy repository for many mystical and supernatural ideas. They did seem to be portals to another world at times..