This diffuser locket opens to reveal a 1.6cm removable lava stone said to impart grounding and calming properties. The porous nature also makes it the perfect carrier for essential oils. A few drops can last a full day or more. Change scents with a quick rinse of the stone. The seed of life design on the diffuser represents the origin of the earth’s beauty. Made in India with hand-cast, hypoallergenic brass. Lunar Revolution tag., 18-24"l Adjustable Chain.