[mag-ni-tahyt] 
| a very common black iron oxide mineral, Fe3O4, that is strongly attracted by magnets: an important iron ore. |
| mag·net·ite (māg'nĭ-tīt') n. The mineral form of black iron oxide, Fe3O4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron. |
| magnetite (māg'nĭ-tīt') Pronunciation Key
A brown to black mineral that is strongly magnetic. It crystallizes in the cubic system and commonly occurs as small octahedrons. Magnetite occurs in many different types of rock and is an important source of iron. Chemical formula: Fe3O4. |
nɪˌtaɪt