Copper is a great conductor of energy and is useful for many spiritual purposes.
It encourages a natural balance of energies, many use Copper to balance the Chakras and Meridians.
It’s thought to connect to crystals communicating knowledge from higher realms to the conscious and subconscious mind.
Copper is an excellent and often used tool in healing and works with all of the Chakras to pull in energies from higher realms into the physical world.  In healing, it works to bring those higher energies into corner of the soul to stimulate the remembering of our original state of perfection.
Physically copper is said to be healing and soothing to people with conditions of the joints.