(iron (II) oxide, ferrosoferric oxide, triiron tetraoxide) [FeO•Fe2O3 or Fe3O4] Black powder
Black iron oxide is used as a high temperature oxidizer in thermite compositions.
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(iron (III) oxide, ferric oxide) [Fe2O3] Red powder
Used in some glitter formulations; as a catalyst in rocket compositions; sometimes in first fires and high temperature ignition compositions and as an oxidizer in thermite compositions.
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