It made from pieces of HImalayan slat crystal, with interior decorations and act as natural sources of light. When you place a Himalayan salt lamp in every room, the home can reap several health and environment. It will balance Electromagnetic Radation. Himalayan salt lamps emit negative ions and cancel out positive ones. http://www.jpost.com/PromoContent/5-Amazing-Himalayan-Salt-Lamps-You-Can-Buy-Right-Now-441101