The unique crystalline structure of Himalayan mountain salt was formed two hundred and fifty million years ago by the heat and pressure generated as the Himalayan forced itself up from the ancient sea bed between tectonic plates. The salt here has been harvested for over three thousand years and today is still valued for its quality world-wide. A unique and beautiful, hand-crafted lamp that diffuses fragrant essential oils in to the air. The diffuser lamp sets off a warm glow to create a calm and peaceful aura. Each lamp comes with a glass diffuser top. Approx weight: 5-7 lbs.