Pyrite

Sourced from Europe and South America 
An excellent energy stone, as it blocks out negative energy and pollutants. This prevents from energy leaks from the body and deflects harm protecting the body as well. 
As a very positive stone, it helps to overcome feelings of inadequacy, allowing you to tap into your abilities and potential. The flow of ideas and help with large business concepts occur in the presence of this stone. Pyrite relieves anxiety and frustration and boosts self confidence and worth. 
Both for men and women it balances active, outward masculine energy and passive, inner feminine energy. For men who suffer issues with inferiority, it strengthens your masculinity and confidence. 
While clarifying our mental process it chases away confusion and helps shed light on problems. It’s used for both solar and sacral chakras.