The Mano Fico, also called Figa, higa or Powerful Hand. Its form is that of a closed hand, showing the thumb between the index and middle fingers, indicating contempt and protection from impending evil. An amulet used to ward off the evil eye, it is also used against envy and jealousy and to protect against disease. In ancient times, mothers used to place the Higa (made from jet) beside new-borns. Originally from the Iberian peninsula, it eventually spread to different parts of the world under different names.
The agate is found in volcanic rocks. It is characterized by a series of concentric bands of similar colors, opaque and translucent, which recall the cutting a tree trunk. The name 'Agate' comes from the river Achates, south of Sicily, Italy, where he says he found the first of these stones. Agate was highly revered by the ancients and was regarded as the stone of science. Also attributed healing powers against diseases eyes or against spider bites and scorpion stings. In Saudi eyes were used as images of the gods. Also found in the eye sockets of mummies of ancient Egypt. In Islam, agates are also very precious stones. According to tradition, a ring of agate, for example, protects the wearer from some mishaps and guarantee longevity, among other benefits.