Rock salt lamp The natural rock salt crystal lamps are ready to help you as one of the best natural air ionizer. Salt crystal lamp boosts your wellness, by producing healthful negative ions. Salt crystal lamps are nature's endowment as an air purifier, which enhance the quality of the air we breathe. Our salt crystal lamps are carefully handcrafted to retain the unique beauty, natural shape and crystal characteristics of the salt rocks, thus no any two lamps are alike. Beside air ionization and negative ions production, salt crystal lamps illuminated by a light bulb, also produce a beautiful, pleasant to the eyes, mind, and sole, natural glow of different colors and shades from off-white to warm pink, red, orange and yellow. Small size 2to 4 kgs Medium 6-8 and large is 8-10 kgs