Pink Himalayan Salt Rock Lamps are made using pink salt crystals mined solely from the Himalayas. The most popular location in the Himalayas for mining these salts is in Kewra, Pakistan. Converting these salt crystals into a lamp involves hollowing out large chunks of these crystals and placing a bulb inside that emits both light and heat. Read more at https://www.mypoojabox.in/blogs/articles/benefits-of-keeping-himalayan-rock-salt-lamps-at-home