this post was submitted on 31 Mar 2025
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Ferrous oxide innit?
Wustite, ferrous oxide, is black. FeO.
Typical rust, usually found as hematite, is Fe2O3 and is red/brown. Also an iron oxide.
Magnetite is also another black iron oxide, Fe3O4.
There are quite a few other flavors of iron and oxygen too.
Ooh, cool! TIL
Yum yum
Just like grandma supernova used to make