The quartz variety with the highest iron oxide content is amethyst.
Another name for iron oxide is rust.
The name of the compound Fe3O4 is called iron (II,III) oxide. (Wikipedia)
Iron Oxide Its actually Iron(ii) Oxide there is no such thing as iron oxide.
Iron oxide is called rust.
Iron(III)Oxide
ferrous oxide -or- iron(II) oxide
No such compound exists. If it did it would be iron VI oxide, but iron cannot reach such a high oxidation state. Perhaps you mean Fe2O3, iron III oxide.
FeO is Iron(II)oxide, archaically , Ferrous oxide. Do NOT confuse with Fe2O3, which is Iron(III)oxide ; Archaically Ferric oxide. The 'iron' atom is in different oxidation states for these two compounds. NB 'Fe' is the chemical symbol for 'Iron', and comes from Latin 'Ferrum' for iron.
The scientific name for rusting is iron oxidation, which is the process where iron reacts with oxygen in the presence of water or moisture to form iron oxide, commonly known as rust.
Iron oxide is commonly referred to as rust.
The chemical representation of Iron III Oxide is Fe2O3.
The scientific name for rust is iron oxide. It is made up of the elements iron and oxygen. Turning iron to iron oxide is an example of corrosion.