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Maghemite

Index Maghemite

Maghemite (Fe2O3, γ-Fe2O3) is a member of the family of iron oxides. [1]

29 relations: Anatase, Band gap, Biomedicine, Crystal, Cubic crystal system, Electric potential energy, Ferrihydrite, Ferrimagnetism, Ferrite (magnet), Goethite, Hermann–Mauguin notation, Ilmenite, Iron oxide, Lepidocrocite, Magnetite, Marcasite, Nanoparticle, Néel temperature, Oxide minerals, Pigment, Pyrite, Redding, California, Redox, Sediment, Semiconductor, Shasta County, California, Spin (physics), Spinel, Weathering.

Anatase

Anatase is a mineral form of titanium dioxide (TiO2).

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Band gap

In solid-state physics, a band gap, also called an energy gap or bandgap, is an energy range in a solid where no electron states can exist.

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Biomedicine

Biomedicine (i.e. medical biology) is a branch of medical science that applies biological and physiological principles to clinical practice.

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Crystal

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

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Cubic crystal system

In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.

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Electric potential energy

Electric potential energy, or electrostatic potential energy, is a potential energy (measured in joules) that results from conservative Coulomb forces and is associated with the configuration of a particular set of point charges within a defined system.

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Ferrihydrite

Ferrihydrite (Fh) is a widespread hydrous ferric oxyhydroxide mineral at the Earth's surface, and a likely constituent in extraterrestrial materials.

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Ferrimagnetism

In physics, a ferrimagnetic material is one that has populations of atoms with opposing magnetic moments, as in antiferromagnetism; however, in ferrimagnetic materials, the opposing moments are unequal and a spontaneous magnetization remains.

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Ferrite (magnet)

A ferrite is a ceramic material made by mixing and firing large proportions iron(III) oxide (Fe2O3, rust) blended with small proportions of one or more additional metallic elements, such as barium, manganese, nickel, and zinc.

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Goethite

Goethite (FeO(OH)) is an iron bearing hydroxide mineral of the diaspore group.

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Hermann–Mauguin notation

In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups.

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Ilmenite

Ilmenite, also known as Manaccanite, is a titanium-iron oxide mineral with the idealized formula.

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Iron oxide

Iron oxides are chemical compounds composed of iron and oxygen.

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Lepidocrocite

Lepidocrocite (γ-FeO(OH)), also called esmeraldite or hydrohematite, is an iron oxide-hydroxide mineral.

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Magnetite

Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4.

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Marcasite

The mineral marcasite, sometimes called white iron pyrite, is iron sulfide (FeS2) with orthorhombic crystal structure.

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Nanoparticle

Nanoparticles are particles between 1 and 100 nanometres (nm) in size with a surrounding interfacial layer.

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Néel temperature

The Néel temperature or magnetic ordering temperature, TN, is the temperature above which an antiferromagnetic material becomes paramagnetic—that is, the thermal energy becomes large enough to destroy the microscopic magnetic ordering within the material.

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Oxide minerals

The oxide mineral class includes those minerals in which the oxide anion (O2−) is bonded to one or more metal ions.

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Pigment

A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.

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Pyrite

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide).

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Redding, California

Redding, officially the City of Redding, is the county seat of Shasta County, California, in the northern part of the state.

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Redox

Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Sediment

Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.

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Semiconductor

A semiconductor material has an electrical conductivity value falling between that of a conductor – such as copper, gold etc.

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Shasta County, California

Shasta County, officially the County of Shasta, is a county in the northern portion of the U.S. state of California.

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Spin (physics)

In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.

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Spinel

Spinel is the magnesium aluminium member of the larger spinel group of minerals.

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Weathering

Weathering is the breaking down of rocks, soil, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological organisms.

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References

[1] https://en.wikipedia.org/wiki/Maghemite

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