Lava is wonderful for aromatherapy oils, should you choose to use them with your bracelet. Rub small amount of oil/blend right on the stone, which absorbs it and imparts the energy of the scent all day!
Black Lava Beads & Gemstone Pyramid---
Amethyst ~ Mental Focus & Psychic Awareness
Green Aventurine ~ Abundance, Prosperity, Body/Mind/Spirit Healing
Quartz ~ Clarity, Energy, Divine Connection, Purity