Salt Crystal Lamps are made from salt crystal rocks. This salt crystal comes from the ancient seas and is now available in the foothills of the Himalayas. Salt Crystal of this quality are rare. Salt Crystal are hand crafted to retain their original structure. This means that every salt lamp is different in size, shape, colour and intensity. As well as being beautiful, salt lamps release negatively charged ions. These negative ions neutralize positively charged ions given out by computers, television, power grids etc. By using Salt Crystal lamps, we can easily improve our environment, not only through the ionizing effects of the lamp but through the beautiful light they cast in a room ! It is highly recommended to use them near a TV or Computer, in a designated smoking room and an air-conditioned room.