This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Both metal and copper oxidize when exposed to oxygen and this is a natural process. Copper that is exposed to the outside environment is more likely to turn green and that is why copper vases and decorative pieces in gardens are often green.
Connecting with the crystals, Copper can smoothly transmit their energies to the holder, communicating knowledge from higher realms to the conscious and subconscious mind. Copper is a popular tool for healing and works with all of the Chakras to pull in energies from higher realms into the physical world. In healing, Copper works to bring those higher energies into every cell for the remembering of the original state of perfection.