Buy Lepidolite from Crystals By Nature. Lepidolite is a major source of Lithium, the lightest metal in the world that is used in an array of ordinary items from batteries to mood stabilizing drugs. Lepidolite crystals are therefore known for holding a source of modern power, referred to as a "Stone of Transformation". Encouraging good habits and diminishing negative energy and fear, Lepidolite contains very beneficial healing properties to soothe stress and anxiety. Promoting calm and balance, Lepidolite activates and opens the heart and crown chakras, tempering and focusing drives and passion.