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84 relations: Ancient Greek, Anisotropy, Antiferromagnetism, Aram Chaos, Armenian bole, Banded iron formation, Clay, Concretion, Corundum, Crystal, Crystallite, Cylinder seal, Cypro-Minoan syllabary, Elba, Engraved gem, Etruscan civilization, Falu red, Ferromagnetism, Gilding, Goethite, Greek language, Hematine, Hermann–Mauguin notation, Hexagonal crystal family, Hot spring, Hungary, Hydrate, Hydrogen, Ilmenite, Iron, Iron ore, Iron oxide, Iron(III) oxide, Latin, Linear Pottery culture, Maghemite, Magnetation (iron ore), Magnetic moment, Magnetite, Mars, Mars Exploration Rover, Mars Global Surveyor, Martian spherules, Meridiani Planum, Mesabi Range, Middle French, Mill scale, Mineral, Mineral redox buffer, Mining, ..., Minnesota, Morin transition, Nanoparticle, NASA, Néel temperature, North America, Ochre, Opportunity (rover), Oxide minerals, Oxygen, Paramagnetism, Pigment, Pinnacle Point, Poland, Precipitation (chemistry), Pseudomorph, Sanguine, Sinus Meridiani, Soil, Solid solution, Spectrometer, Spin canting, Spin–orbit interaction, Tailings, Tropics, Upper Rhine, Valles Marineris, Victorian era, Volcano, Wüstite, Weathering, Wyoming, Yellowstone National Park, 2001 Mars Odyssey. Expand index (34 more) »
Ancient Greek
The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.
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Anisotropy
Anisotropy, is the property of being directionally dependent, which implies different properties in different directions, as opposed to isotropy.
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Antiferromagnetism
In materials that exhibit antiferromagnetism, the magnetic moments of atoms or molecules, usually related to the spins of electrons, align in a regular pattern with neighboring spins (on different sublattices) pointing in opposite directions.
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Aram Chaos
Aram Chaos, centered at 2.6°N, 21.5°W, comprises a heavily eroded impact crater on the planet Mars.
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Armenian bole
Armenian bole, also known as bolus armenus or bole armoniac, is an earthy clay, usually red, native to Armenia.
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Banded iron formation
Banded iron formations (also known as banded ironstone formations or BIFs) are distinctive units of sedimentary rock that are almost always of Precambrian age.
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Clay
Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.
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Concretion
A concretion is a hard, compact mass of matter formed by the precipitation of mineral cement within the spaces between particles, and is found in sedimentary rock or soil.
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Corundum
Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium and chromium.
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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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Crystallite
A crystallite is a small or even microscopic crystal which forms, for example, during the cooling of many materials.
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Cylinder seal
A cylinder seal is a small round cylinder, typically about one inch in length, engraved with written characters or figurative scenes or both, used in ancient times to roll an impression onto a two-dimensional surface, generally wet clay.
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Cypro-Minoan syllabary
The Cypro-Minoan syllabary (CM) is an undeciphered syllabary used on the island of Cyprus during the late Bronze Age (ca. 1550–1050 BC).
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Elba
Elba (isola d'Elba,; Ilva; Ancient Greek: Αἰθαλία, Aithalia) is a Mediterranean island in Tuscany, Italy, from the coastal town of Piombino, and the largest island of the Tuscan Archipelago.
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Engraved gem
An engraved gem, frequently referred to as an intaglio, is a small and usually semi-precious gemstone that has been carved, in the Western tradition normally with images or inscriptions only on one face.
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Etruscan civilization
The Etruscan civilization is the modern name given to a powerful and wealthy civilization of ancient Italy in the area corresponding roughly to Tuscany, western Umbria and northern Lazio.
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Falu red
Falu red or falun red (in Swedish falu rödfärg) is a dye that is used in a deep red paint, well known for its use on wooden cottages and barns.
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Ferromagnetism
Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets.
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Gilding
Gilding is any decorative technique for applying fine gold leaf or powder to solid surfaces such as wood, stone, or metal to give a thin coating of gold.
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Goethite
Goethite (FeO(OH)) is an iron bearing hydroxide mineral of the diaspore group.
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Greek language
Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.
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Hematine
Hematine (also magnetic hematite, hemalyke or hemalike) is an artificial magnetic material.
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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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Hexagonal crystal family
In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes 2 crystal systems (hexagonal and trigonal) and 2 lattice systems (hexagonal and rhombohedral).
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Hot spring
A hot spring is a spring produced by the emergence of geothermally heated groundwater that rises from the Earth's crust.
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Hungary
Hungary (Magyarország) is a country in Central Europe that covers an area of in the Carpathian Basin, bordered by Slovakia to the north, Ukraine to the northeast, Austria to the northwest, Romania to the east, Serbia to the south, Croatia to the southwest, and Slovenia to the west.
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Hydrate
In chemistry, a hydrate is a substance that contains water or its constituent elements.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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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
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Iron ore
Iron ores are rocks and minerals from which metallic iron can be economically extracted.
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Iron oxide
Iron oxides are chemical compounds composed of iron and oxygen.
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Iron(III) oxide
Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe2O3.
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Latin
Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.
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Linear Pottery culture
The Linear Pottery culture is a major archaeological horizon of the European Neolithic, flourishing 5500–4500 BC.
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Maghemite
Maghemite (Fe2O3, γ-Fe2O3) is a member of the family of iron oxides.
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Magnetation (iron ore)
Magnetation is the processing of iron ore tailings, the waste product of iron ore mines, to recover hematite.
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Magnetic moment
The magnetic moment is a quantity that represents the magnetic strength and orientation of a magnet or other object that produces a magnetic field.
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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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Mars
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.
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Mars Exploration Rover
NASA's Mars Exploration Rover (MER) mission is an ongoing robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars.
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Mars Global Surveyor
Mars Global Surveyor (MGS) was an American robotic spacecraft developed by NASA's Jet Propulsion Laboratory and launched November 1996.
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Martian spherules
Martian spherules (also known as blueberries due to their blue hue in false-color images released by NASA) are the abundant spherical hematite inclusions discovered by the Mars rover ''Opportunity'' at Meridiani Planum on the planet Mars.
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Meridiani Planum
Meridiani Planum is a plain located 2 degrees south of Mars' equator (centered at), in the westernmost portion of Terra Meridiani.
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Mesabi Range
The Mesabi Iron Range is an elongate trend containing large deposits of iron ore, and the largest of four major iron ranges in the region collectively known as the Iron Range of Minnesota.
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Middle French
Middle French (le moyen français) is a historical division of the French language that covers the period from the 14th to the early 17th centuries.
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Mill scale
Mill scale, often shortened to just scale, is the flaky surface of hot rolled steel, consisting of the mixed iron oxides iron(II) oxide (FeO), iron(III) oxide (Fe2O3), and iron(II,III) oxide (Fe3O4, magnetite).
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Mineral
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
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Mineral redox buffer
In geology, a redox buffer is an assemblage of minerals or compounds that constrains oxygen fugacity as a function of temperature.
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Mining
Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, lode, vein, seam, reef or placer deposit.
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Minnesota
Minnesota is a state in the Upper Midwest and northern regions of the United States.
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Morin transition
The Morin transition (also known as a spin-flop transition) is a magnetic phase transition in α-Fe2O3 hematite where the antiferromagnetic ordering is reorganized from being aligned perpendicular to the c-axis to be aligned parallel to the c-axis below TM.
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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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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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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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North America
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.
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Ochre
Ochre (British English) (from Greek: ὤχρα, from ὠχρός, ōkhrós, pale) or ocher (American English) is a natural clay earth pigment which is a mixture of ferric oxide and varying amounts of clay and sand.
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Opportunity (rover)
Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover active on Mars since 2004.
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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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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Paramagnetism
Paramagnetism is a form of magnetism whereby certain materials are weakly attracted by an externally applied magnetic field, and form internal, induced magnetic fields in the direction of the applied magnetic field.
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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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Pinnacle Point
Pinnacle Point a small promontory immediately south of Mossel Bay, a town on the southern coast of South Africa.
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Poland
Poland (Polska), officially the Republic of Poland (Rzeczpospolita Polska), is a country located in Central Europe.
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Precipitation (chemistry)
Precipitation is the creation of a solid from a solution.
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Pseudomorph
In mineralogy, a pseudomorph is a mineral or mineral compound that appears in an atypical form (crystal system), resulting from a substitution process in which the appearance and dimensions remain constant, but the original mineral is replaced by another.
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Sanguine
Sanguine or red chalk is chalk of a reddish-brown colour, so called because it resembles the colour of dried blood.
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Sinus Meridiani
Sinus Meridiani is an albedo feature on Mars stretching east-west just south of that planet's equator.
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Soil
Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.
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Solid solution
A solid solution is a solid-state solution of one or more solutes in a solvent.
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Spectrometer
A spectrometer is a scientific instrument used to separate and measure spectral components of a physical phenomenon.
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Spin canting
Some antiferromagnetic materials exhibit a non-zero magnetic moment at a temperature near absolute zero.
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Spin–orbit interaction
In quantum physics, the spin–orbit interaction (also called spin–orbit effect or spin–orbit coupling) is a relativistic interaction of a particle's spin with its motion inside a potential.
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Tailings
Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, terra-cone (terrikon), are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore.
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Tropics
The tropics are a region of the Earth surrounding the Equator.
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Upper Rhine
The Upper Rhine (Oberrhein) is the section of the Rhine in the Upper Rhine Plain between Basle in Switzerland and Bingen in Germany.
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Valles Marineris
Valles Marineris (Latin for Mariner Valleys, named after the Mariner 9 Mars orbiter of 1971–72 which discovered it) is a system of canyons that runs along the Martian surface east of the Tharsis region.
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Victorian era
In the history of the United Kingdom, the Victorian era was the period of Queen Victoria's reign, from 20 June 1837 until her death on 22 January 1901.
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Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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Wüstite
Wüstite (FeO) is a mineral form of iron(II) oxide found with meteorites and native iron.
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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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Wyoming
Wyoming is a state in the mountain region of the western United States.
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Yellowstone National Park
Yellowstone National Park is an American national park located in Wyoming, Montana, and Idaho.
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2001 Mars Odyssey
2001 Mars Odyssey is a robotic spacecraft orbiting the planet Mars.
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Redirects here:
Almeric ore, Gray crystalline hematite, Haematite, Haematitic, Haemetite, Heamatite, Hematitic, Iron glance, Kidney Ore, Martite, Specular hematite, Specular iron, Specularite.
References
[1] https://en.wikipedia.org/wiki/Hematite
