The Chemical formula of Iron III oxide is Fe2O3. It's obtained from the mineral ore called hematite. It is mined and after that processed to acquire iron oxide for extracting the metal. Iron is also known as Ferrum in Latin. The valency of the metal is 2 and three. When https://3dprintedhouse82581.wizzardsblog.com/38825011/5-essential-elements-for-advanced-ceramics