👉 Haematite is a mineral that is commonly found in the Earth's crust. It is composed of iron and nickel, and it has been used for centuries as an ore for making iron. The specific chemical formula for haematite can be written as Fe2O3.
👉 Haematite is a mineral that is commonly found in the Earth's crust. It is composed of iron and nickel, and it has been used for centuries as an ore for making iron. The specific chemical formula for haematite can be written as Fe2O3.
