Quartz Crystal Spheres or Quartz Balls, Metaphysical Beliefs, Spheres send energy in all directions. They help by smoothing group communications. Often they are used for gazing, as windows to the past and future. The quartz helps to focus, amplify, and strengthen one natural abilities. When being held, crystal balls have been used to fill the gaps in, and strengthen ones aura. Quartz is associated with all Chakras, Associated with all Astrological Signs, Number Vibration is 4.