Hematite is an iron oxide mineral with the chemical formula Fe₂O₃. It is typically found in metallic gray, silver, or reddish-brown colors, with a shiny, reflective surface when polished. Hematite is known for its high iron content and is commonly used as an iron ore for the extraction of iron. It has a Mohs hardness of 5.5 to 6.5, making it relatively durable and suitable for use in jewelry, beads, and ornamental carvings. Hematite is found in various regions around the world, including Brazil, the United States, and Europe.