Crystals have been used over the millennia for a myriad of reasons. From protecting soldiers on the battlefield to mothers giving birth, these precious stones have mystified human beings. Because crystals come from within the Earth, they are imbued with its natural energy and according to Physics, all things emit a unique frequency and many believe crystal frequencies can be tuned in and amplified for our purposes. Crystals have been used by healers, midwives, shamans, religious leaders, to solve challenges they experienced. Today crystal healing is being re-discovered as a way to naturally heal ourselves and the environment.