It is about the mineral creation found on the maritime and terrestrial surface, whose main characteristic is the solidity and consistency it presents. Even so, it is a polysemic concept, since most of the other conceptions maintain the nature of this object and deviate towards a theory that proposes different uses of it, in different areas of study. In jewelry, touchstones are used to check the value that certain precious stones may have; likewise, the use of these is very specific, as is their selection. There are geographic locations that contain the word "stone" within their names, such as "Piedra sola", located in the Uruguayan nation.
In alchemy, a primitive version of philosophy, he took the philosopher's stone as the precious object, which had the ability to give eternal life to whoever found it, that is, it is an object with magical properties. Said stone is treated, at present, as a kind of legend; However, the ancients really believed in its existence and what it could provide. The precious stones, on the other hand, are those minerals that have a great solidity and whose components are exotic; They are known, for the most part, for the high cost they entail. These are also used in jewelry, being molded into attractive shapes and set with various charming metals, to form beautiful jewelry.
There is a dish, called la piedra, which is made from corn, together with fillings of all kinds and is commonly fried in oil. Likewise, the reading stone is a kind of glass, framed with molded metals, which was previously used to detail the text within a writing. In the same way, there is a technique available to crash various substances without the help of a mortar or base, whose name is dry stone. Legends and myths also use stone as a concept, the teaching of which focus on the mental and body balance of an individual.
