Magnetite. Magnetite is a mineral of iron oxide (Fe3O4, iron(II, III) oxide). It is a naturally-occurring ferromagnetic and can be magnetized to become a permanent magnet. Naturally-magnetized magnetite is called lodestone. Here a piece magnetite is shown to attract steel paper clips and safety pins. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5164 px × 3433 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |