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Topic: Chlorite

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  Chlorite - LoveToKnow 1911
The chlorites usually occur as salt (H= 2-3) scaly aggregates of a dark-green colour.
Chemically, the chlorites are distinguished from the micas by the presence of a considerable amount of water (about 13%) and by not containing alkalis; from the soft, scaly, mineral talc they differ in containing aluminium (about 20%) as an essential constituent.
Closely allied to the chlorites is another group of micaceous minerals known as the vermiculites, which have resulted by the alteration of the micas, particularly biotite and phlogopite.
www.1911encyclopedia.org /Chlorite   (646 words)

Chlorite is found in the Keweenawan metabasalts in the pits and shaft of the Melrose copper prospect, NW NW sec.
DOUGLAS COUNTY: Chlorite is widespread in the amygdules and groundmass of the Keweenawan metabasalts throughout the county.
- Chlorite is an abundant amygdule mineral with prehnite, calcite, quartz, chalcopyrite and K feldspar in metabasalt in the quarry in the NW NW sec.
www.uwrf.edu /~wc01/chlorite.htm   (1477 words)

 Chlorite - Wikipedia, the free encyclopedia
Chlorites are also known as salts of chlorous acid.
Sodium chlorite is derived indirectly from sodium chlorate, NaClO
The main application of sodium chlorite is the generation of chlorine dioxide for bleaching and stripping of textiles, pulp, and paper.
en.wikipedia.org /wiki/Chlorite   (327 words)

Chlorite is a mineral found in small quantities in Gneiss and can be easily converted from Hornblende.
Chlorite ion is also a polyatomic cation consisting of an atom of chlorine and two oxygen atoms.
Chlorites are chemical compounds consisting of chlorite ions.
www.ebroadcast.com.au /lookup/encyclopedia/ch/Chlorite.html   (51 words)

 Fibrous muscovite and chlorite
Typically, discrete elongate euhedral fibers of muscovite and chlorite are intergrown parallel to [100] or [010].
Chlorite, however, is now absent, having been converted to what appears to be an amorphous or highly disordered residue.
The general intergrowth pattern is chlorite and muscovite fibers packed parallel to fiber length, with lengths continuous or discontinuous with respect to the bounding shear surfaces.
www.minsocam.org /MSA/collectors_corner/arc/muscovite.htm   (2728 words)

Inasmuch as water is a major cause of partial melting, the thermodynamic stability of chlorite is of significance to models of subduction, dewatering, and magma genesis.
Chlorites are also significant components of metamorphic terranes that are impacted by acidified atmospheric deposition in the eastern U.S. and Canada, and thus their weathering characteristics (May et al, in preparation) influence water chemistry and watershed response to acidic inputs.
The thermodynamic stability of chlorite is known to be affected by various degrees of ordering of the octahedral and tetrahedral cations, so that rates of weathering for chlorites are affected by cation occupancies of the various structural sites.
ruby.colorado.edu /~smyth/chlorite.html   (4068 words)

 ATSDR - ToxFAQs™: Chlorine Dioxide and Chlorite
Chlorite in water may move into groundwater, although reactions with soil and sediments may reduce the amount of chlorite reaching groundwater.
Individuals who are employed at pulp and paper mills, municipal water treatment facilities, and other facilities that use chlorine dioxide and chlorite as a disinfectant may have high exposures to chlorine dioxide and chlorite (ions or salts).
Children exposed to large amounts of chlorine dioxide and chlorite would be expected to be affected in the same manner as adults.
www.atsdr.cdc.gov /tfacts160.html   (1008 words)

 CHLORITE (Iron Aluminum Magnesium Silicate Hydroxide)
Chlorites typically form flaky microscopic crystals and it is this reason that they are sometimes included in the clay group of minerals.
Chlorites are most often known to mineral collectors as inclusions in or coatings on quartz, danburite, topaz, calcite and many other minerals.
The chlorite inclusions in clear quartz are particularly interesting when they form as a coating on a crystal early in its development.
mineral.galleries.com /minerals/silicate/chlorite/chlorite.htm   (549 words)

 ATSDR - Public Health Statement: Chlorine Dioxide and Chlorite
However, the reaction of chlorite ions with soils and sediments may reduce the concentration of chlorite ions capable of reaching groundwater.
Most chlorite that is not broken down also leaves the body in the urine within a few days after exposure to chlorine dioxide or chlorite.
The EPA has set a maximum contaminant level of 1 mg/L for chlorite in drinking water and a goal of 0.8 mg/L for both the maximum residual disinfectant level for chlorine dioxide and the maximum contaminant level for chlorite in drinking water that has been treated with chlorine dioxide as a disinfectant.
www.atsdr.cdc.gov /toxprofiles/phs160.html   (2025 words)

 Disinfection method and composition therefor - Patent 4986990
The concentrations of chlorite and acid are relatively low and are such that the amount of the chlorite in the form of chlorous acid is no more than about 15 percent by weight of the total chlorite ion concentration in solution.
The percent by weight of chlorite and chlorous acid may be calculated from the ionization constant of chlorous acid and the amount of hydrogen ion in solution produced by the partial ionization of the protic acid.
At chlorite ion levels higher than about 0.5%, the concentration of chlorous acid formed upon admixture of a protic acid may be in excess of that required for the formation of a metastable chlorous acid solution.
www.freepatentsonline.com /4986990.html   (5735 words)

Chlorite is a Mg-rich sheet silicate having complex chemistry and structure.
The two main groups of chlorite are orthochlorites, which conform closely to the ideal chemical composition, and leptochlorites, which form by the oxidation of orthochlorites.
Chlorites are common rock forming minerals in clastic sediments, and hydrothermally altered igneous rocks.
www.und.nodak.edu /instruct/mineral/geol318/webpage/eull   (876 words)

 International Dioxide, Inc. chlorine dioxide, sodium chlorite, disinfectant, sanitizer
Conversions of sodium chlorite to chlorine dioxide by chemical oxidation exceed 95%.
Low conversion of sodium chlorite to chlorine dioxide is desirable in many applications, such as hard surface sanitation and in instances where the sanitizing solution applied by spray.
Unreacted chlorite ion is in equilibrium with chlorous acid, which slowly decomposes to form chlorine dioxide.
www.idiclo2.com /clo2chem/chem.html   (453 words)

 Regional Metamorphism
For example the first appearance of biotite is at the biotite isograd where chlorite is seen to be reacting to produce biotite.
The texture of the rocks changes from slates and phyllites in the chlorite zone to schists in the staurolite and kyanite zones, to schists and gneisses in the sillimanite zone.
The chlorite and biotite zones represent greenschist facies metamorphism, and the garnet, staurolite, kyanite, and sillimanite zones represent amphibolite facies metamorphism.
www.tulane.edu /~sanelson/geol212/regionalmetamorph.htm   (2430 words)

 USGS OFR01-041: Chlorite Group
The chlorite minerals are common components of low-grade greenschist facies metamorphic rocks, and of igneous rocks as hydrothermal alteration products of ferromanganese minerals (Deer and others, 1975).
Chlorites are also common constituents of argillaceous sedimentary rocks where these minerals occur in both detrital and authigenic forms.
Chlorites have their 001 peaks at 14 to 14.4 angstroms, depending on the individual species.
pubs.usgs.gov /of/of01-041/htmldocs/clays/chlor.htm   (196 words)

 Chlorite   (Site not responding. Last check: 2007-10-13)
Chlorite is one of the most common minerals to show anomalous extinction.
The chlorite is actually a mass of criss-crossing small plates, giving the material a felt-like texture.
The chlorite is a fine-grained felt-like mass showing first-ordred whites and normal extinction colors.
www.uwgb.edu /dutchs/PETROLGY/chlorite.htm   (249 words)

 Glossary: Chlorite
Chlorite is fairly stable unless it comes in contact with other chemicals such as free chlorine.
In water treatment, chlorite is one of the chemicals involved in the process of generating chlorine dioxide.
Chlorite is also the byproduct of disinfection with chlorine dioxide, with about 70% of the chlorine dioxide converted to chlorite and about 30% converted to chlorate (ClO3-) and chloride (Cl-).
www.greenfacts.org /glossary/abc/chlorite.htm   (154 words)

The chlorite is mixed with yellow garnet, willemite, and manganiferous biotite and is so related to the biotite as to make it seem highly probable that it is the result of the alteration of that mineral.
Platy crystals of dark-green chlorite line the cavity in which crystals of friedelite (see page 89) of great perfection were formed.
In recently found specimens of sphalerite, described on page 28, the last mineral deposited in the open vugs was a delicate coating of silvery scales of a chlorite containing a little iron and probably to be identified with diabantite, according to an optical determination by Berman.
simplethinking.com /palache/chlorite.stm   (163 words)

 Chlorite (sodium salt) (CASRN 7758-19-2), IRIS, Environmental Protection Agency
To express doses as the chlorite ion, the estimated doses were multiplied by the molecular weight ratio of sodium chlorite to chlorite.
In an epidemiological study of a community using chlorite as a drinking water disinfectant, adult exposures ranged from 0 to 39.4 mg/day for chlorite for 10 weeks, and no consistent alterations in hematological parameters were reported (Michael et al., 1981).
In in vitro assays, chlorite induced reverse mutations in Salmonella typhimurium (with activation) and chromosome aberrations in Chinese hamster fibroblast cells (Ishidate et al., 1984).
www.epa.gov /iris/subst/0648.htm   (4967 words)

 Stunning Golden Healer Rainbow Green & Purple Chlorite Phantom Quartz Point (M5954)   (Site not responding. Last check: 2007-10-13)
Chlorite phantoms are a powerful combination to clear out the garbage from the past.
Chlorite Included Quartz helps us to accept ourselves as we are as against what the media portrays the ideal self to be.
In some cases Chlorite creates phantoms inside the Quartz crystal itself, as the Quartz crystal grows, a layer of chlorite will wash over it, the crystal continues to grow over the top of the chlorite, thus leaving an image of it's self when it was at that phase of it's growth.
www.evans-lambert.com /Firefiles/M5954.htm   (724 words)

 Oxidizing mixtures for hair care use - Patent 5051252
By combining an aqueous chlorite solution with an organic or inorganic buffer salt and a divalent metal ion, a stable aqueous chlorite solution is attained for use in substantially improving the durability and resulting visual appearance of permanently waved hair.
In the preferred formulations, sodium chlorite is employed as the chlorite salt and tribasic sodium citrate is preferably employed as the buffer salt.
Furthermore, by employing the chlorite solution of the present invention, a stable, aqueous oxidizing mixture is attained which can be maintained at a neutral pH range by the use of the desired buffers either alone, or in combination, with materials such as ascorbic acid or bromate, typically employed in various hair care applications.
www.freepatentsonline.com /5051252.html   (5878 words)

 Sodium Chlorite - Background, History, Raw Materials, The Manufacturing Process, Quality Control, Byproducts/Waste
Sodium chlorite is a compound used for water disinfection and purification.
The development of sodium chlorite as an industrial chemical began in 1921 when E. Schmidt found that cellulosic fibers could be purified with chlorine dioxide without being appreciably damaged.
When the sodium chlorite is sold as a solid, sodium chloride is often included to make it safer to handle and store.
www.madehow.com /Volume-6/Sodium-Chlorite.html   (1700 words)

 Chlorite group - Wikipedia, the free encyclopedia
The chlorites are a group of phyllosilicate minerals.
Chlorites have a 2:1 sandwich structure (2:1 sandwich layer = tetrahedral-octahedral-tetrahedral = t-o-t...
Experiments indicate that chlorite can be stable in peridotite of the Earth's mantle above the ocean lithosphere carried down by subduction, and chlorite may even be present in the mantle volume from which island arc magmas are generated.
en.wikipedia.org /wiki/Chlorite_group   (487 words)

 chlorite - Search Results - MSN Encarta
Chlorites are generally green; the name is derived from the Greek...
Among the important schists are mica schist, hornblende schist, chlorite schist, and talc schist.
Talc, soft, greasy, granular or fibrous mineral composed of an acid metasilicate of magnesium, H
uk.encarta.msn.com /chlorite.html   (103 words)

 chlorite - Search Results - MSN Encarta
Chlorite, group of green minerals of complex composition.
Chlorites are hydrous iron-magnesium aluminum silicates, with a hardness (a determination...
Ions are electrically charged atoms or groups of atoms.
encarta.msn.com /chlorite.html   (77 words)

 Chlorite and chlorite/smectite.
Unlike the well-studied interstratifications of illite and smectite, whose components both exhibit 10Å basal spacings in HRTEM lattice fringe images, the differentiation of chlorite (14Å) and smectite is relatively unambiguous.
If the end-member components of the smectite and chlorite compositions are known, interstratifications of these two will plot on a mixing line and probe analyses of these mixtures can be interpolated and expressed as percents of the end-member components (Schiffman and Fridleifsson, 1991).
Walker and Murphy (in press) demonstrated that the iron distribution index (i.e., partitioning of iron between the ``talc-like'' versus ``brucite-like'' layers) in chlorite and chlorite/smectite varied with degree of hydrothermal alteration in metabasites from Maine.
www.agu.org /revgeophys/schiff00/node5.html   (818 words)

 USGS OFR01-041: Bibliograph - Chlorite group
Barnhisel, R.I., 1977, Chlorites and hydroxy interlayered vermiculite and smectite, in Dixon, J. B., Weed, S.B., Kittrick, J.A., Milford, M.H., and White, J.L. (Eds.), Minerals in soil environments, Soil Sci.
Sassi, Raffaele, and Zane, Antonella, 1997, On the compositional variability of metamorphic chlorites as an effect of the micro-site chemistry: Atti della Accademia Nazionale dei Lincei.
Vasilenko, V.B., and Kholodova, L.D., 1977, Paired nonlinear regression of P (sub 2) O (sub 5) with trace elements in rocks of the carbonate and chloride complexes of Seligdar: Soviet Geology and Geophysics, v.
pubs.usgs.gov /of/2001/of01-041/htmldocs/biblios/chlgr.htm   (3704 words)

 Bio-Sensor for Determining the Concentration of Chlorite in Environmental Samples   (Site not responding. Last check: 2007-10-13)
The invention is a bio-sensor which measures the concentration of chlorite in aqueous samples at neutral pH and standard temperature and pressure.
To date, analysis of chlorite has required sample collection and analysis by ion chromatography, which is costly, time-consuming, and requires trained laboratory personnel.
In water, chlorite is an endproduct of the chemical decomposition of chloroxo compounds such as chlorine dioxide and hypochlorite.
www.siu.edu /~techtransfer/techavail/coates5.html   (283 words)

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