Sweet Willow Spirit Aromatherapy Bracelet Enhance your inner spirit. Apply the essential oil blends to your bracelet and let the healing properties of the oils and stones take you where you need to be. The lava stones are known for their grounding qualities, wonderful for calming emotions because of a strong connection to the earth. The Howlite stones are used to release attachments linking to old emotional pain. They will decrease an overly critical state of mind, stress, and anxiety, bringing calm and relaxation. A very powerful piece of jewelry.