Every lamp is an original! The fascination of the salt crystals is based in the various shades and individual forms of the crystals. The lamps are produced mostly by handicraft. No chemical additives are used. The magnifying atmosphere of a salt crystal lamp is not only due to the warm light. Salt crystals emit neutralizing ions, thus improving the climate of a room. When illuminated, this effect is supplemented by vibrations of light. Different institutes are conducting scientific studies in this field. A salt crystal lamp will enhance the atmosphere of any room. You will be fascinated by the natural light and the uniqueness of your new lamp. The Mini crystal lamps weigh between 3-5kg, the Small lamps weighs between 5-7kg, and the Medium/Large lamps weigh 8-10kg. Each lamp makes a statement of its own. All of the lamps include a solid wood base, a 15 Watt globe with an electric connection