Iron ores. Magnetite (left) and limonite (right) are common iron ores. Magnetite is composed of iron oxide (Fe3O4, iron(II, III) oxide). It is a naturally-occurring ferromagnetic and can be magnetized to become a permanent magnet. Limonite is composed of various hydrated iron(III) oxide-hydroxides. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 5163 px × 3434 px |
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