Grip Aroma Jesus on the Cross Himalayan Rock Salt Tiles lamps are made placing a light bulb inside large Tile of pink Himalayan salt. They have a distinctive look and emit warming, pink glow when lit. True Himalayan salt lamps are made from salt harvested from the foothills of the Himalaya. Salt sourced from this area is believed to be millions of years old, and the small amounts of minerals it contains give it a pink color. Meanwhile, others find their supposed health benefit. To prevent them from melting, keep them away from direct heat sources and humid environments. Wipe them down with a damp cloth occasionally to remove dust. Many people choose to buy Himalayan salt lamps simply because they like the way they look and enjoy the ambiance the pink light creates in their homes.