Terahertz is a gemstone that is used in a semiconductor manufacturing field. It is an artificial gemstone called silicon, but it has strong power. Its thermal conductivity is very high, and it is famous for melting ice quickly. It has been drawing attention as a gemstone which us said to improve energy flow. This man-made gemstone invented by Japanese scientists is said to protect the body against electromagnetic smog. This stone is actually believed to be a very strong healing stone that possesses very high oscillating frequency as well as thermal conductivity. It is believed that the Terahertz stone can energize inner body energy and is said to increase blood circulation and stimulate metabolism.