Natural pyrite is a cubic iron sulphide, all formations depending on the source. A little in Europe, North and South America, very good qualities in Peru and Chile. May have the color of brass like iron more or less shiny to dull for sun pyrite. It is an excellent energy shield which keeps negative energies away. Lithotherapy books also say that pyrite reveals secrets and fixed ideas of misfortune, stimulates the circulation of ideas, stone of acceptance of silk as a positive vector. Great for introverts and lack of confidence, highlights human potential. Placed on the earth, pyrite empties of the accumulated negative and recharges itself with ambient energies. Stone of the 41st wedding anniversary. 3rd Eye Chakra is suitable for the signs of Aries, Libra and Leo.