The chemical formula of Iron III oxide is Fe2O3. It really is acquired from the mineral ore termed hematite. It is actually mined and afterwards processed to get iron oxide for extracting the metal. Iron is also called Ferrum in Latin. The valency of the metal is 2 and 3. https://chancekmljh.wikisona.com/2029052/top_latest_five_titanium_nitride_urban_news