These agate lamps are naturally forming geodes sliced and carved to become stunning lamps for your home. The base is carved inside to allow for bulb to be placed inside. Cord and bulb included in purchase. These lamps produce soft and delicate lighting, making it a beautiful statement piece for any room of your home. Agate is a rock consisting primarily of cryptocrystalline silica. Agate is characterized by its fineness of grain and variety of color. These agates are naturally forming and may be treated to enhance their natural color while remaining a natural element. Agates are classically associated with volcanic rocks and can be common in certain metamorphic rocks.