The chemical formula of Iron III oxide is Fe2O3. It is actually attained from a mineral ore named hematite. It's mined and then processed to obtain iron oxide for extracting the metal. Iron is also known as Ferrum in Latin. The valency of this metal is two and 3. When https://metal3dprinter71481.blogoscience.com/45413409/facts-about-zinc-stearate-emulsion-revealed