Chakra Pyramid Reiki Healing Set 10-15 Mm CHAKRA PYRAMID SET SIZE :-10-15 MM Pyramids amplify and then tightly focus energy through the apex. A crystal pyramid can be used to draw off negative energy and blockage from the Chakras. A gemstone pyramid is also used to enhance and focus the inherent properties of the stone. AMETHYST BLUE AVENTURINE LAPIS LAZULI GREEN AVENTURINE YELLOW AVENTURINE RED AVENTURINE RED JASPER