The true origin of these skulls is unknown due to lack of relevant archaeological records. We only know that they are all found in Mexico, Central and South America - the zone of the ancient civilizations of the Aztecs, Incas and Mayans. Supposedly the skull have an age thousands of years, but it certainly set the date of their creation is extremely difficult, because the method of age determination of quartz does not exist yet.

 
One of the skulls stored in Japan and is made from a single piece of amethyst. Made of pure quartz skull found in Guatemala, "Mach. Crystal skull, stored in the Museum of rights and Paris, made a rather rude and depicts the Aztec god of death.

In 1889, found their "brother" - the skull of "ET", now kept in London, the British Museum. It is made of smoky quartz. By the way, the skull of "ET" is like no one race, living on Earth today. His upper jaw and eye sockets are very unusual form. However, it is very similar to the styling.
   
Wall of skulls in Chichen Itza

But there is truly legendary skull. Many experts rightly consider it one of the most mysterious objects of antiquity. He is known as the skull «Mitchell-Hedges» and named after the famous scientist Frederick Mitchell-Hedges and his adopted daughter, Anna Mitchell-Hedges Legyuyon. This skull, surrounded by a halo of mystery, has caused many speculations about its origin, age, method of manufacture and a striking impact on the psyche of man.

   

Quartz, from which made all the skull, known as the mineral, which has the natural property of increasing power and is widely used in modern science and technology. Since our body has an electromagnetic field, and quartz in a position to enhance this field. Therefore, with crystal skulls associated with a number of unexplained phenomena. Many people feel a surge of energy emanating from them. Some of this energy provides exceptional impact, causing a bright unusual states of consciousness, raising the spiritual faculties.

Today, many scientists are trying to find the answer to the question of the origin of crystal skulls and method of their manufacture. But as long as it remains a mystery.