Editing Iron(III) oxide (section)

===Iron industry===
The overwhelming application of iron(III) oxide is as the feedstock of the steel and iron industries, e.g., the [[smelting|production of iron]], steel, and many alloys.<ref name=Ullmann>{{cite book |last1=Greenwood |first1=N. N. |last2=Earnshaw |first2=A. |year=1997 |title=Chemistry of the Element |edition=2nd |location=Oxford |publisher=Butterworth-Heinemann |isbn=978-0-7506-3365-9 }}</ref> Iron oxide (Fe2O3) has been used in stained glass since the medieval period, with evidence suggesting its use in stained glass production dating back to the early Middle Ages, where it was primarily used to create yellow, orange, and red colors in the glass, still being used for industrial purposes today.<ref>{{Cite web |last=Golchha |first=Vipul |title=About Iron Oxide Pigments |url=https://www.golchhaoxides.com/iron-oxide-pigments.php#:~:text=Iron%20Oxides%20have%20been%20used,drawings%20to%20ensure%20bountiful%20hunting. |access-date=2024-10-29 |website=Golchha Oxides Pvt Ltd |language=en}}</ref><ref>{{Cite web |title=Iron(III) Oxide - Structure, Properties, Uses of Fe2O3 |url=https://byjus.com/chemistry/fe2o3/#:~:text=Ferric%20oxide%20(Fe2O,glass,%20diamonds%20and%20precious%20metals. |access-date=2024-10-29 |website=BYJUS |language=en}}</ref>