IndusClassic LN-02 Himalayan Crystal Rock Salt Lamp Natural Air Purifying, 4-7 Pounds From Natural Crystal Salt Slabs Lamp is lovingly hand carved to accentuate the multitude of colors Works as an air purifier by emitting negative ions into the air and light therapy to reduce stress and increase energy These 200 million year old salt deposits are high in minerals and trace elements Pure 100-Percent Natural Himalayan Salt for Smoking room is an ideal place for salt lamp. Feel Uplifted and high spirited Great Gift Idea Natural Rock Salt Use it for both home & Office, Memorable gift for Birthday, Wedding, Anniversary