(definition) by Webster 1913 Wed Dec 22 1999 at 1:00:29

Mag"net*ite (?), n. Min.

An oxide of iron (Fe3O4) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone. It is an important iron ore. Called also magnetic iron.

 

© Webster 1913.

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