Amethysts are natural stones, their color is generated by the concentration of iron in the stone. Due to their color and purity, they are used in special pieces of jewelry, as well as for ornamental and decorative purposes. The largest are displayed in hotels and parks, they are used for feng shui. Uruguayan amethysts are among the best known in the world. Indeed, Uruguay is recognized as one of the most important producing countries of this type of stone in the world.
The quarries are located 70 kilometers South of the city of Artigas, in the northernmost department of the country. There are four extraction zones, however, it is in the only state where deposits exist.