Terahertz stone is a man-made gemstone that is invented by Japanese scientists. It is made up of silica and is formed by extracting quartz or silica from grains of sand.
Terahertz stones were developed primarily to help reduce the effects of EMF (electromagnetic smog) & radiation, both physically and mentally.
Terahertz has a very high frequency providing powerful healing. It improves blood flow throughout your body while easing neck and shoulder tension. Use Terahertz during breathing exercises and meditation.