Clear Quartz encourages clarity on all levels. It can be used to enhance communication with guides. It is also known for amplifying psychic abilities. Clear Quartz acts to stimulate and open all chakras. It amplifies any emotion with which it moves into resonance and stimulates nervous system. Clear quartz may be programmed as well. The crown chakra is also known as the sahasrara chakra. It is the energy center of universal knowledge and spiritualism which connects you to the divine. The crown chakra influences the brain and the nervous system, as well as the emotions and the level of understanding and enlightenment.