magnetite

Etymology

From magnet + -ite, after German Magnetit.

noun

  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. 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 137

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