Terahertz is a man-made stone made of silicon, it was created in Japan to help protect wearers from harmful radiation and electromagnetic pollution. One of the major properties of this stone is that it is an excellent conductor of both hot and cold thermal energy. It is said that the frequency range of this gemstone corresponds to the collective vibrations of biological molecules like those found in DNA. It is also the frequency of the hydrogen bonding network of water, which makes up 70% of human body weight. These vibrations can help to heal and mend the body in many ways. It is believed to help improve blood flow, and may even be able to help eliminate blood clots. This stone can also be helpful in eliminating pain associated with arthritis or injury, it can help alleviate headaches, and many claim it can even help improve stability and balance.