Handmade necklace with natural black lava stones.  These stones will absorb your favorite essential oils and give off the scent for hours. Use a few drops of a therapeutic grade oil and let the stones soak for a few minutes before wearing.  Note: Pay attention to essential oil grades, as lower quality oil can cause skin irritation.  Nickel-free materials.
 
Natural stone, painted gold, and wooden beads.
The back of this charm says "Life String"