Essential Oil Diffuser Earrings - Aromatherapy Jewelry - Natural Lava Rock Drop Design BEAUTIFUL EARRINGS made of NATURAL LAVA ROCK VOLCANO STONE and hang from lead tin alloy ear wires. These RADIANT and UNIQUE earrings are 1.5" long and the stones are .75" x .87" to provide a SUBTLE yet STYLISH addition to your look. Lava stones are HIGHLY ABSORBENT making them a PERFECT ESSENTIAL OIL DIFFUSER. Lava rock stones are known to INCREASE HEALTH, CONCENTRATION, and ENERGY. EASY TO USE - Add a few drops of essential oil to one or two of the lava rock stones and allow oil to absorb. Wipe off any excess and add more if the scent fades during the day.