Crystal Heads** are human skulls made of a single piece of crystal found in different parts of the world. These skulls are usually made of amethyst, quartz or calcite.

There is no exact information about when and where crystal heads were first found. However, they are thought to have been made by ancient civilizations in Central America and South America.

It is known that crystal heads were first discovered in the mid-19th century in ancient Mayan and Aztec ruins in Central America. Later, in South America, crystal heads were also found in the remains of ancient civilizations such as the Inca and Tiwanaku.

There is no precise information on how crystal heads are made. However, it is thought that they were made using a very complex technology.

The fact that the crystal heads are made of a single piece of crystal and that there are no traces of attachment or gluing on them indicates that these heads were made by a very delicate process.

Techniques such as etching and polishing were probably used to make the crystal heads. There is no precise information on how these techniques were performed with the technology of the time.

Crystal heads have been surrounded by an aura of mystery since their discovery. There are many rumors and legends about these heads.

According to some rumors, crystal heads represent the wisdom and power of ancient civilizations. They are believed to have magical powers and foretell the future.

According to other rumors, crystal heads came from aliens or the civilization of Atlantis. It is believed that these heads were brought to Earth by aliens or are a product of advanced technology in the Atlantean civilization.

Crystal heads have also been studied by scientists since their discovery. However, there is no definitive information about their origin and construction.

Scientists believe that crystal heads were made by ancient civilizations. However, there is no definite information about which civilization made these heads and how they were made.

There is some evidence that the technology used to make crystal heads was incompatible with the technology of the time.

This evidence suggests that the crystal heads could not have been made with the technology of that period and may have been made by an older civilization.

Crystal heads are one of the most mysterious artifacts in the world. There are many rumors and legends about these heads. However, there is no definitive information about the origin and construction of these heads.