Hematite, also spelled as haematite, is a common iron oxide with the formula Fe?O? and is widespread in rocks and soils. Hematite crystallizes in the rhombohedral lattice system, and it has the same crystal structure as ilmenite and corundum. Care Instructions Detergents and lotions can damage the finishing and colour of the stones / crystals. * Clean with soft 100% cotton. Disclaimer: The information provided is intended as a reference of the metaphysical and healing energies of the crystals. Their healing powers are not established and cannot be guaranteed. Crystals should never be used as a substitute for conventional medical or psychological treatment.