magnetite


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mag·net·ite

 (măg′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

(ˈmæɡnɪˌtaɪt)
n
(Minerals) a black magnetic mineral, found in igneous and metamorphic rocks and as a separate deposit. It is a source of iron. Composition: iron oxide. Formula: Fe3O4. Crystal structure: cubic
magnetitic adj

mag•net•ite

(ˈmæg nɪˌtaɪt)

n.
a common black mineral, ferrous and ferric iron oxide, FeFe2O4, that is the most magnetic mineral and an important iron ore.
[< German Magnetit (1845); see magnet, -ite1]

mag·net·ite

(măg′nĭ-tīt′)
A usually brown to black, magnetic mineral composed of iron and magnesium oxide. Magnetite occurs in many different types of rocks, commonly as small octahedrons. It is an important source of iron.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.magnetite - an oxide of iron that is strongly attracted by magnetsmagnetite - an oxide of iron that is strongly attracted by magnets
emery - a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
iron ore - an ore from which iron can be extracted
loadstone, lodestone - a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
Translations
References in periodicals archive ?
Magnetite Mines General Manager Gavin England said IMPTEC's machines had the potential to disrupt the commercial beneficiation business.
Bulk mineralogy of these rocks includes olivine, clinopyroxene, +- magnetite, +-chromite, +- serpentine, +- chlorite, +- plagioclase and amphibole as traces.
Our results indicate that magnetite nanoparticles in the atmosphere can enter the human brain, where they might pose a risk to human health, including conditions such as Alzheimer's disease," Barbara Maher, lead author of the paper from the Lancaster University in Lancashire, U.
The provincial government was developing a public land in Lingayen town into a golf course and had hired a mining contractor to remove the magnetite from the proposed playing area.
Inorganically produced magnetite occurs naturally in a wide range of geological environments on Earth.
seeking to overturn a March 10 order directing the confiscation of the magnetite sand in favor of the government as stated in a two-page ruling.
McDermott co-authored a Science paper on the investigation, which concluded that magnetite retains its stable structure in spite of these irregularities thanks to a mechanism that redistributes cations in response to the surrounding chemical environment.
In this method, magnetite magnetic nanoparticles were firstly produced through co-precipitation of Fe (II) and Fe (III) salts in the presence of ammonia.
To measure temperature increase, a mixture of one mg of the magnetite nanoparticles and 100 ml distilled water was prepared.
He said that these two anomalies were geologically similar but that M63 had a higher hematite content associated with magnetite compared to M62 that is magnetite dominant.
We are focused on moving the project forward and have been encouraged by extremely positive drilling results from our recent resource evaluation program - for both magnetite and direct shipping ore.
Hole KA-11-21 was aimed at testing the down dip and plunge of the magnetite zone towards the west of hole Ka-11-20.