Magnetite is a mineral and one of the main iron ores, with the chemical formula Fe2+Fe3+2O4. It is one of the oxides of iron, and is ferrimagnetic; it...

or deep purple to rusty red. The iron is usually found in the form of magnetite (Fe 3O 4, 72.4% Fe), hematite (Fe 2O 3, 69.9% Fe), goethite (FeO(OH),...

Lodestones are naturally magnetized pieces of the mineral magnetite. They are naturally occurring magnets, which can attract iron. The property of magnetism...

chemical compound with formula Fe3O4. It occurs in nature as the mineral magnetite. It is one of a number of iron oxides, the others being iron(II) oxide...

a lipid bilayer membrane. Each magnetosome can often contain 15 to 20 magnetite crystals that form a chain which acts like a compass needle to orient...

is typically dark grey or blackish in color. It is composed mainly of magnetite, Fe3O4, and also contains small amounts of titanium, silica, manganese...

commonly present as magnetite, iron silicates, and iron-bearing carbonates, and locally martite (hematite) formed by oxidation of magnetite. Horizons containing...

Centrex Metals Limited is an Australian resources exploration and mining company. Founded in 2001, Centrex Metals was listed on the Australian Securities...

twinning, which forms the lattice pattern. Magnetite (Fe3O4) forms black, equilateral triangles. The magnetite that has no alteration is black with a metallic...

wüstite, magnetite, and hematite. Oxides of FeII FeO: iron(II) oxide, wüstite Mixed oxides of FeII and FeIII Fe3O4: Iron(II,III) oxide, magnetite Fe4O5 Fe5O6...

(antigorite, lizardite, chrysotile), brucite, talc, Ni-Fe alloys, and magnetite. The mineral alteration is particularly important at the sea floor at...

high-purity magnetite (Fe3O4). The pulverized iron is oxidized to give magnetite or wüstite (FeO, ferrous oxide) particles of a specific size. The magnetite (or...

Earth's crust. MH: magnetite-hematite: 4 Fe3O4 + O2 ⇌ 6 Fe2O3 NiNiO: nickel-nickel oxide: 2 Ni + O2 ⇌ 2 NiO FMQ: fayalite-magnetite-quartz: 3 Fe2SiO4 +...

of hematite. Another example is hematite Fe3+ 2O 3 on magnetite Fe2+ Fe3+ 2O 4. The magnetite structure is based on close-packed oxygen anions stacked...

hematite, with Fe3+ state, or in somewhat less oxidizing environments, magnetite, with a mixture of Fe3+ and Fe2+. Wüstite, in geochemistry, defines a...

as magnetite (Fe3O4) and is also ferrimagnetic. It is sometimes spelled as "maghaemite". Maghemite can be considered as an Fe(II)-deficient magnetite with...

Gabbro Crest, Sheriff Cliffs, Fierle Peak, Dyrdal Peak, Mount Stephens, Magnetite Bluff, Mathis Spur, Burmester Dome and Huie Cliffs. Features in the snowfield...

to the spinel group of minerals, as does magnetite, Fe3O4. Ulvöspinel forms as solid solutions with magnetite at high temperatures and reducing conditions...

alga stores magnetite in a similar way that already discovered magnetotactic bacteria do. It has been shown that the cells contain magnetite particles aligned...

Verwey transition is a low-temperature phase transition in the mineral magnetite associated with changes in its magnetic, electrical, and thermal properties...

occurs in a wide range of minerals including arsenopyrite, pyrite and magnetite. Cleavage (crystal) Fracture (geology) Mineral#Cleavage, parting, fracture...

Fe2+(Fe3+,Ti)2O4. It is also known as titaniferous magnetite, mogensenite, Ti-magnetite, or titanian magnetite. It is part of the spinel group of minerals....

2010. It was closed in 2014. IMX shifted its focus to the Mount Woods Magnetite Project. IMX owns and operates the highly prospective Nachingwea Regional...

Pieces of magnetite with natural permanent magnetization (lodestones) provided the earliest compasses for navigation. Particles of magnetite were extensively...

is one of the three principal iron ores, the others being hematite and magnetite, and has been mined for the production of iron since at least 400 BC....

wüstite), iron(III) oxide (Fe2O3, hematite), and iron(II,III) oxide (Fe3O4, magnetite). Mill scale is formed on the outer surfaces of plates, sheets or profiles...

gradients that are smaller than one hundred tesla per meter. Monodisperse magnetite ( Fe 3 O 4 {\displaystyle {\ce {Fe3O4}}} ) and nanocrystals ( NCs {\displaystyle...

in a dark, fine to medium-grained matrix of magnetite, ilmenite, olivine, and hercynite spinel. Magnetite and ilmenite cumulates are also common in layered...

iron(II,III) oxide (Fe3O4), which also occurs naturally as the mineral magnetite. Iron(III) oxide is often called rust, since rust shares several properties...

family also includes Magnetospirillum, which contains tiny chains of magnetite. These let it sense the Earth's magnetic field, which runs downwards as...