Buy Copper from Crystals By Nature. Copper is known as the mineral of vitality, a metal of the God Hermes notorious for strong mental agility and quick thinking. An excellent conductor energy, Copper is often referred to as an "Enhancer Crystal", aiding in focus in order to promote success and enhance one's life. Copper has been used for thousands of years in physical healing, especially through contact with skin as it increases the absorption of micronutrients and encourages the body's production of Melatonin. Copper also encourages an optimistic outlook, helping to relieve depression, anxiety, and other day to day stresses.