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Magnesioferrite
The Century Dictionary and Cyclopedia
noun.
An oxid of magnesium and iron, belonging to the spinel group, which has been observed at Vesuvius. Also
magnoferrite
.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A
magnesium
iron
oxide
mineral
, a member of the
magnetite
series of
spinels
, which forms black
metallic
octahedral
crystals
.