Pyrite (big) in box 4x4cm.
Origin: Navajún (Spain)
Size: 3-4 cm approx.
Sold in box of 54 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.
