Crystal Quartz placed in a room raises the energy of the room and amplifies thoughts, making it an excellent tool for manifesting. Be careful what you wish for with Quartz around for It will also amplify the energy of other stones around it! Quartz is also used for spiritual communication and angelic guidance. It has the ability to cleanse the auric field, and bring the physical body back into balance. It is said that holding a Quartz in your hand will amplify your biomagnetic field. Quartz is a master healer!