7 Chakra crystals are a tool and can be like a storage battery for thought energy.They also to help to create situations in our lives that will lead us in directions that allow positive growth and healing. Clearing” has to do with the energy of the stone or crystal. Chakra crystals can be “programmed” with our thought energy and then act on our subtle chakra energy fields. Chakra crystals can be “programmed” with our thought energy and then act on our subtle chakra energy fields. Pendulums helps to ascertain which areas may need clansing more than others. Pendulum react to your subconscious mind. When held properly, the pendulum will react to very small nerve reactions in your fingers that are generated by your unconscious mind in response to a question poised.