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Title: magnetite
Caption: 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. It is generally covered by smaller pieces of magnetite or other magnetic minerals.
Credit: Album / Science Source / GIPhotoStock
Image size: 5158 × 3434 px | 50.7 MB
Print size: 43.7 × 29.1 cm | 2030.7 × 1352.0 in (300 dpi)