Tag «physical properties of pyrite»

Iron Minerals

(1). Magnetite: Fe3O4 Physical properties of Magnetite: Crystal System: cubic Cleavage: Absent Hardness: 6 in Moh’s scale Sp.Gr: 5.18 Lustre: metallic to dull Colour: Iron Black Special Character: Strongly magnetic. A natural magnet is called ”Iodestone”. Habit: Octahedral crystals, massive or granular. Occurrence of Magnetite: Magnetite is a high-temperature mineral, which occurs as an accessory …