Jade Contains the necessary minerals calcium and magnesium. 40% of magnesim is the material of chlorophyll. Jade has the same wave with human GI wave and can penetrate human cells. When the jade is heated, it emits long-wave Bio-Spectrums that penetrate the body 14~15cm (5.5~6 inches). It makes resonance effects that can revive tissue, promote blood circulation, make weak alkalizing blood, and emit harmful waste toxins.