Pyrite Its name comes from the Greek "pyr" (fire). It sparks when it's clashed against other metals. It has a cubic crystallization; it can be found as an octahedron or dodecahedron crystal. In the ancient Egypt was already known its protective power, and it was used as an ornament in the priests vest, in necklaces or in religious images. It is especially appropriate for business, studies and communication. It is useful to carry one piece in the pocket or close to us for protection against negative energies.