最終更新日：2024/07/28

(mineralogy) A magnetic mineral, Fe₃O₄, one of the primary ores of iron. It has also been called lodestone.

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magnetite

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magnetite

noun

(mineralogy) A magnetic mineral, Fe₃O₄, one of the primary ores of iron. It has also been called lodestone.

Magnetite is commonly found in igneous and metamorphic rocks.

意味（1）

(mineralogy) A magnetic mineral, Fe₃O₄, one of the primary ores of iron. It has also been called lodestone.

Appropriately enough, the commonest of these, a simple iron oxide, is called magnetite.