For many years people have believed in the healing powers of Crystals, the Ancient Egyptians for example used Jade to guide them on their journey through the underworld. Each Crystal has its own specific vibrational resonance giving each Crystal different healing powers
For hundreds of years crystals have been used to heal and balance. In modern times their piezoelectric properties can be used to produce sound waves, applying this to surgery through a beam of ultrasounds can cauterize wounds and break tumors apart negating the need for invasive procedures.
In olden times shaman crystal healers knew that crystals focused sound and light into a healing ray. The rotation of crystal wands on the skin gives compression, releasing beams to the organ beneath.