Before proceeding to know the meaning of the term clay, we have to undertake the establishment of its etymological origin. In this case, it must be determined that it derives from Latin, exactly, from the word "argilla," which can be translated as "potter's clay."
It is known as clay to the material that arises from the aggregation of aluminum silicates derived from the process of decomposition of different minerals. These silicates are hydrated and, according to the presence of impurities, can exhibit different colors.
The clay is a aluminosilicate (since it contains aluminum oxide and silica) from the chemical point of view, and a colloid (a system composed of at least two phases) from a physical perspective. Each particle that makes up the clay has a diameter that does not exceed 0.002 millimeters.
Already in the Prehistory he human being He used clay to make different utensils. The clay, when it comes into contact with the Water , develops its plastic properties and can be molded easily. Once it dries, it becomes firm. If it is also heated to more than 800º C , the clay hardens permanently and becomes ceramic.
The simplicity of its use and its obtaining, together with its low cost, makes the clay still used to make bricks , vessels , dishes , bowls and other vessels, in addition to multiple works of art. The technique that is put into practice for the elaboration of products with clay or mud is called pottery .
Archeology allowed to find pottery articles dating from the year 29,000 BC approximately. The use of clay extended to numerous cultures of antiquity. In the American continent, several Colombian peoples had a long tradition in the field of pottery.
At present, we can affirm that clay is not only used as a material for crafts and artistic works, but also as a beauty trick. It is exactly used to make the skin look as radiant as possible. And that is achieved through some of the different types of clay that exist:
-Green clay, which stands out for being disinfectant, reducing inflammations and pains, detoxifying and even antibacterial. All these qualities that lead to being a great option to deal with acne and even excess skin fat.
-White clay. It is considered useful not only to make the skin calm but also to decongest it. In the same way, it brings many nutrients to it. Hence it is useful as an anti-wrinkle, to fight against fluid retention and even to reduce cellulite.
-Red clay. This other variety of aesthetic clay can underline that it is a stimulator of lymphatic irrigation and that it considerably improves what is the blood supply. Precisely because of this circumstance it becomes a great alternative to fight against the lack of liveliness in the skin and even against what are muscular and chronic injuries.