Premium Quality 9" to 11" Natural Himalayan Salt Lamps on Wood Base with Cords and Light Bulbs Completely Natural Ionic Air Purifier 14 to 17 lbs average per lamp crafting stones These amazing points are available Amethyst is a very These amazing points are available here on our website in 10 These stones offer protection against electromagnetic noise caused by devices like cell phones and computers The average height of these lamps is between 9" to 11" but it is possible to get a lamp a little bigger or smaller than these heights since each one is hand crafted and they aren't man made on a machine When turmed on the lamp immediately begins to naturally filter the air with negative ions flowing from the salt and binding to positively charged dust particles bringing them to the ground and leaving the air fresh