Now, as a mineral, it has become a focus of research at universities and research centers worldwide.
The reason - infrared Tourmaline is the only one mineral to show permanent electricity on the earth and is also a natural (non-manufactured) source of negative ions and far infrared (FIR) rays.
It is also known to be helpful for improving circulation, relieving stress, increasing mental alertness and strengthening the immune system function. (Niwa Institute for Immunology, Japan. Int J. Biometeorol 1993 Sep; 37(3) 133-8).