The natural hawk eye is a secondary monoclinic, rhombohedral fibrous quartz. Mexico, Australia, South Africa. The hawk eye is a changing jasper in the process of becoming a tiger's eye, it is rarer to find it in blue black color than in mutation or we see the brown of the tiger eye appear. In its primary black and blue form it will be classified extra from E to EEE (very rare) while mutating black blue brown from A to AAA. Also called blue tiger eye especially in foreign languages. In addition to the properties of the tiger's eye, lithotherapy books grant it an anchor stone, a link with terrestrial energy, vision and intuition, return to the source, stone of abundance and protection. Root Chakra, Hawk Eye is suitable for nature lovers.