The Hearts & Jewels Collection Limited Edition ♥ Glass, Lava, Metal, Stone, Wood & Swarovski Crystal. Lava rock beads are naturally porous, making them the perfect medium to apply essential oils to. Natural lava rock beads are black or brown and come in several different shapes and sizes. Wearing a diffuser bracelet is like having your own personal portable essential oil diffuser. Use essential oils to help with different moods throughout the day.
