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. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Turtle Rock Scientific |
Taille de l’image : | 5163 px × 3434 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |