This pyrite pendant is made with gold filled. The stone is polished and natural. This stone is an excellent energy shield and blocks out negative energies. It is also positive and relieves anxiety, as well as helping with self worth and self confidence. Pyrite is also good for memory, and on a physical level helps to overcome fatigue and is beneficial for asthma and bronchitis. To be used with throat chakra. The chain is gold filled which does not tarnish easily.