Cubic Pyrite from Peru (14kg), brass base
Pyrite is a mineral composed of iron sulphide (FeS) and is often called "fools gold" because of its similarity with gold. It is relatively abundant in nature and is found in many parts of the world, including Peru. Pyrite usually crystallizes as cubes or cubic crystals, with well-defined edges and flat faces.
who could guess that this "little" rock weight 14Kg§§ In addition to its aesthetic qualities, pyrite also has industrial uses. It is sometimes used in the production of sulphuric acid as a source of sulphur.