Himalayan Rock Salt Natural Crystal Lamp, 8.5"s Tall &ndash; Soft Calm Therapeutic Light &ndash; Unique Naturally-Formed Salt Crystal Handcrafted Design On Onyx Marble Base &ndash; Table Lamp, Dark Orange Hue EXQUISITE SALT LAMP: The beautiful orange-red Himalayan crystal salt is mounted on an onyx base HEALTHFUL CARVED LAMP: These negative ions bond with air pollutants (positive ions) and neutralize them, thus clearing and purifying the air of allergens and pollutants COLOR THERAPY LIGHTS: This crystal salt was culled hundreds of millions of years ago and, as a result, has special properties and high mineral content; thus accounting for its deep red glow VERSATILE LAMP SALT: This 8.5" lamp comes with a 15-watt bulb but can accommodate up to a 75 watt bulb; perfect for massage therapists who want to warm the balls LARGE HIMALAYAN SALT ROCK LAMP: 8 to 10 lbs. in size