Haematite also spelled as hematite is a common ferric iron oxide with formula Fe2O3 and is widespread in rock and soil. Hematite forms in the shape of crystals through the rhombohedra lattice system and it has the same crystal structure as ilmentite.

  • Formula – Iron (III) Oxide Fe2O3
  • Appearance – Red-brown
  • Solubility – insoluble in water
  • Other names – Ferric oxide, hematite, ferric iron, red iron oxide