Quartz (clear) - Can bring the energy of the stars into the soul. Traditionally, the natural quartz crystal was said to both harmonize and align human energies, thoughts, consciousness, emotions - with the energies of the universe and to make these greater energies available to humanity. The natural tendency of quartz is for harmony, and is recognized as a Stone of Power. Stimulates brain function & power, aids clarity of mind. Dispels negativity in ones energy field and environment, aligns all chakras, a very powerful healer.