White agate and light mint green lava rock aromatherapy necklace, essential oil diffuser necklace. Available with a sterling silver plated chain, 16k gold plated chain or 16k rose gold plated chain. Necklace measures 18 long, but adjustments to length can be made upon special request. Aromatherapy necklace features two beautiful white cracked agate beads, three light mint green lava stones. Simply add 1-3 drops of your favorite essential oil to the lava stones or agate beads or use a roller b...