magnetite cleavage

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  • Magnetite | Geology Page

    Magnetite is the most magnetic of all the naturally occurring minerals on Earth Naturally magnetized pieces of magnetite, called lodestone, will attract small pieces of iron, and this was how ancient people first noticed the property of magnetism.

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  • Magnetite Mineral Information photos and Facts, Iron Ore

    Magnetite is easily recognized by its color, magnetism, and hardness (6) The mineral is infusible before the blowpipe Its powder dissolves slowly in HC1, and the solution reacts for ferrous and ferric iron Strongly magnetic; sometimes exhibits polarity and is therefore a natural magnet, known as lodestone Magnetite, Magnetic black Sand.

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  • Magnetite - GEO143 Mineral Webpages - Google Sites

    Cleavage: There is no cleavage Magnetite may show some parting, which is a break along structural planes and is parallel to a possible face, just like cleavage Fracture: Magnetite has a Sub-Conchoidal Fracture, meaning it’s smooth with irregular rounded corners There can also be breakage that resembles concentric rippl.

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  • Magnetite - Chemeketa Community College

    Luster - Metallic Hardness - Greater than 55 Streak=Black/Gray No Apparent Cleavage.

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  • What is the cleavage of magnetite - answers

    The special property that magnetite displays is that it is attracted by a magnet Cleavage is the mineral property that explains why some minerals break along smooth, flat surfac.

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  • 26 Mineral Properties – Physical Geology - opentextbcca

    Cleavage is what we see when a mineral breaks along a specific plane or planes, while fracture is an irregular break Some minerals tend to cleave along planes at various fixed orientations, some do not cleave at all (they only fracture) Minerals that have cleavage can also fracture along surfaces that are not parallel to their cleavage plan.

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  • Rocks and Minerals Slide Show - Oregon State University

    Augite has a hardness of 5-65 with a vitreous luster and a prismatic cleavage Mineral information is presented here; Pictures of minerals are found at the bottom of the page Magnetite is a mineral that has a very high iron content Magnetite has a black or brownish-red color and a black streak It has a hardness of about 6 on the Mohs.

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  • Dose magnetite have more cleavage or fracture - answers

    Magnetite has fracture No cleavage A rock cannot h, The equicohesive temperature is an antiquated term for the temperature at which the cohesion (the strength) of the grain boundaries in a.

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  • Identifying Rocks and Minerals/Cleavage - Wikibooks, open

    Cleavage, in mineralogy, , Examples include magnetite which shows octahedral parting, the rhombohedral parting of corundum and basal parting in pyroxen Uses Cleavage is a traditional physical property used in mineral identification both in hand specimen and microscopic examination of rock and mineral studi As an example, the angles.

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  • Cleavage / fracture - University of Auckland

    Cleavage / fracture Cleavage and fracture describe different ways in which a mineral can break Definitions Cleavage - The tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice These two-dimensional surfaces are known as cleavage planes and are caused by the alignment of weaker bonds between atoms in the crystal lattice.

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  • Amphiboles (hornblende) - University of Pittsburgh

    Hornblende is black and, like all amphibole minerals, is characterized by two perfect cleavages that intersect at about 60° or 120° Instead of breaking in broad, single cleavage planes like the micas, the cleavage surface of an amphibole mineral tends to display a large number of small, offset planes that help give the mineral a splintery appearance.

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  • Mineral Identification Key - Table IIIA-1

    Note: Two cleavage directions at ~56 o and ~124 o = Amphibole Group A number of the Amphiboles have hardnesses in the 5 to 6 range, spanning previous.

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  • Magnetite - sandatlasorg

    Magnetite has no cleavage but parting may be distinct Crystals are brittle and fracture is uneven This is how magnetitic sand aligns itself in the presence of a strong external magnetic field There is a neodymium magnet placed beneath the sample Crystals from Talofofo Beach, Guam, USA Width of.

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  • Cleavage (crystal) - Wikipedia

    Cleavage, in mineralogy, is the tendency of crystalline materials to split along definite crystallographic structural plan These planes of relative weakness are a result of the regular locations of atoms and ions in the crystal, which create smooth repeating surfaces that are visible both in.

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  • Mineral Identification Key Cleavage

    The Mineral Identification Key: Cleavage refers to the way some minerals break along certain lines of weakness in their structure Mica is a good example – breaking along very closely spaced flat planes that yield thin "sheets" Calcite is another good example, breaking along three different planes that yield blocky fragments that look like a.

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  • Properties of Minerals - East Carolina University

    1) When a mineral has only one direction of cleavage it often occurs as flat plates or sheets b Two directions of cleavage at a 90 o angle to one another – feldspar 1) The two directions are parallel to the base of the specimen and vertical, such as the plane running along the left side.

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  • Magnetite | Geology Page

    Magnetite is the most magnetic of all the naturally occurring minerals on Earth Naturally magnetized pieces of magnetite, called lodestone, will attract small pieces of iron, and this was how ancient people first noticed the property of magnetism.

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  • Identifying Minerals | Geology - Lumen Learning

    The most common mineral that is strongly magnetic is the mineral magnetite A special property that shows up in some sample of plagioclase feldspar is its tendency to exhibit striations on cleavage surfac Striations are perfectly straight, fine, parallel lin Magnification may be required to see striations on plagioclase cleavage surfac.

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  • Magnetite - Earth Sciences

    Magnetite resembles a number of other metal ores, but it is the only common mineral that exhibits magnetism So magnetism alone is sufficient to distinguish relatively pure magnetite sampl It is more difficult to distinguish cases where magnetite is mixed with.

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  • Minerals - Cleavage and Fracture

    Cleavage is the tendency of a mineral to break along smooth planes parallel to zones of weak bonding Fracture is the tendency of a mineral to break along curved surfaces without a definite shape These minerals do not have planes of weakness and break irregularly See the picture below:.

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  • A Brief Overview of the Diverse Uses and Properties of

    Magnetite has a wide variety of uses, both domestic and industrial It is one of several oxides of iron and has strong magnetic properti Magnetite is a significant ore of iron and as such, is distinguished from other ores of iron by its tendency to attract and get attracted to magnets.

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