Chakras represent the centers of our bodies in which energy flows.  Each of the seven chakras hold a different power of physical, emotional and spiritual energy.  Energies within each chakra can get blocked, crystals are used to clear and balance chakrasnallowing energy to flow freely through out our bodies. 

Each gemstone corresponds to a chakra holding a vibrational power to clear and heal the self.  Healing comes on a personal intuitive level, your intentions are critical to letting the vibrational energies do their work.