White quartz crystals can be used to protect your home and family from negative energy. They can also be placed in the four corners of a room or on each side of doors to help keep out unwanted intruders. White quartz crystals are associated with the crown chakra, and therefore can be used for meditation. They are said to help you reach a higher state of consciousness in which you can connect more easily with God or your higher self. White quartz is associated with love, and has been used to attract a lover or help heal heartbreak. It can also be used to strengthen a relationship that needs healing