Black tourmaline · Black tourmaline · Energy type · Tourmaline is a healing stone of the trigonal crystal system. It has piezoelectricity like crystal, which can conduct energy smoothly and enhance the biomagnetic energy field. It is loved by health people. · It can clean and purify the subtle and deep negative energy in the chakra, and fill the healing energy into the chakra to help the chakra rebuild energy. · It is also able to carry out the idea setting method, and through the characteristics of the tourmaline can also make our minds more stable into the universe. - Chakra message · Corresponding to the bottom wheel, quickly eliminate negative energy and block negative energy effects.