Pyrite in 6x6cm box.
Origin: Navajún (Spain)
Size: 5-6 cm approx.
Sold in box of 24 units.
Pyrite belongs to the cubic system and is classified in the sulphide group, with the chemical formula FeS2. It is a widely distributed mineral, present in diverse geological formations, from sedimentary deposits to hydrothermal veins.
