How To Use Chrysotile In A Sentence
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In the case of chrysotile, an octahedral brucite layer having the formula (Mg6O4 (OH) 4) -4 is intercalated between each silicate tetrahedra sheet.
Geology of asbestos
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Ninety-five per cent of all asbestos used commercially is chrysotile.
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The most commonly used type of asbestos, accounting for 95% of all commercial usage, is chrysotile, also called white asbestos.
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Dumps and outcrops in the vicinity have produced hand specimens of antigorite, chrysotile, and impressive crystals of grass-green talc with snow-white dolomite.
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Because certain kinds - among them chrysotile (white), crocidolite (blue), and amosite (brown) - are durable, resist heat, and possess fire-retardant properties, they were once widely used for insulation and fireproofing.
Health Warning: Your Pre-1980 Home May Contain Asbestos in Some Form
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Asbestos, a fibrous hydrous silicate mineral, exists in 6 forms for industrial use: actinolite, amosite, anthophyllite, chrysotile, crocidolite, and tremolite.
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But company president Simon Dupere insisted the current problems have nothing to do with shrinking deposits of chrysotile buried beneath Thetford Mines.
The Globe and Mail - Home RSS feed
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Back in Thetford Mines, Dupere said challenges faced by LAB Chrysotile's mine reach beyond issues with the union.
CBC | Top Stories News
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The cancer society says 90,000 people die annually around the world from diseases linked to asbestos exposure, and that Quebec asbestos - also called chrysotile - is a major contributor.
R&D Mag - News
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The major types of silicates causing asbestos-related disease are chrysotile, amosite, and crocidolite, with the latter being the most pathogenic.
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South Africa mined crocidolite, amosite and chrysotile asbestos extensively from the late 1800s until 2001.
ANC Daily News Briefing
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Various mineral localities occur throughout the county, of which some of the most important occur on the shore at Portsoy, as for example the gabbro masses in Portsoy Bay with enstatite, hypersthene and labradorite, the graphic granite with microcline, muscovite and tourmaline at East Head, the chiastolite-schist west of the marble quarry, the mottled serpentine with strings of chrysotile.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"
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It has been suggested that the ultrabasic rocks, containing olivine, magnesium-rich pyroxenes, and amphiboles are first altered by hydrothermal processes to form the serpentine minerals; in a later metamorphic event, the serpentines are partially redissolved and crystallized as chrysotile fibers.
Geology of asbestos
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The tensile strengths of amosite and crocidolite are comparable to that of chrysotile.
Geology of asbestos
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Gibbs concluded that the different prevalences of pleural calcification in some mining areas might be related to a mineral closely associated with chrysotile, such as mica or talc.
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On the other hand, both chrysotile and the amphiboles exhibit a high degree of chemical inertia towards strong alkalies over extended periods.
Geology of asbestos
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A more insidious and difficult problem presented by asbestos dust is the link with cancer, and here again asbestiform amphibole has proved a more toxic mineral pathogen than chrysotile.
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System-built schools included blue (crocidolite), brown (amosite) and white (chrysotile) asbestos long after the dangers were proved.
Times, Sunday Times
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The stacking of the tetrahedral and octahedral sheets in the chrysotile structure has been shown to yield three types of chrysotile fibers: clino-chrysotile: monoclinic stacking of the layers, x parallel to fiber axis, most abundant formortho-chrysotile: orthorhombic stacking of the layers, x parallel to fiber axispara-chrysotile: two layer structure, 180° rotation of two-layer structures, y parallel to fiber axis
Geology of asbestos
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The major types of silicates causing asbestos-related disease are chrysotile, amosite, and crocidolite, with the latter being the most pathogenic.
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Issues of relative potency among the forms of asbestos, and particularly between chrysotile and the amphiboles, are primarily of concern with respect to the risk of malignancy and are not discussed in this document.
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The six types of asbestos are chrysotile, crocidolite, amosite, anthophyllite asbestos, tremolite asbestos, and actinolite asbestos.
MyLinkVault Newest Links
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Serpentine Asbestos (chrysotile, as most important type, and antigorite) is leaf structured and consists of fine fibers.
1. Introductory part: Asbestos - Deposits, uses, types, characteristics
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The geology of asbestos centers on the the three most common types: chrysotile, amosite, and crocidolite.
Asbestos
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Gibbs concluded that the different prevalences of pleural calcification in some mining areas might be related to a mineral closely associated with chrysotile, such as mica or talc.
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These include clay minerals such as kaolinite and talc, micas, montmorillonites, and the remainder of the asbestos minerals including chrysotile (white asbestos).
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He says the type of asbestos mined there, known as chrysotile, is not harmful.
NYT > Home Page
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Various mineral localities occur throughout the county, of which some of the most important occur on the shore at Portsoy, as for example the gabbro masses in Portsoy Bay with enstatite, hypersthene and labradorite, the graphic granite with microcline, muscovite and tourmaline at East Head, the chiastolite-schist west of the marble quarry, the mottled serpentine with strings of chrysotile.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"
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Such applications used mainly chrysotile or amosite, although crocidolite was commonly used in Europe, this practice was discontinued in the 1970s because of health concerns.
Asbestos
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For example, chrysotile fibres have been shown to depress the in vitro proliferation of phytohemagglutinin-stimulated peripheral blood lymphocytes, suppress natural killer cell lysis and significantly reduce lymphokine-activated killer cell viability and recovery.
Your Right Hand Thief
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The focus of the ad was to inform the public that chrysotile asbestos does not cause cancer.
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Sea-floor fissures lined with an asbestos mineral called chrysotile are places where life could have gained a foothold 3.5 billion years ago.
Dailyindia.com News Feed
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Although this could be the result of a lower biopersistence of chrysotile compared with amphiboles, the environmental survey confirms that tremolite is the main type of asbestos involved.
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It is apparent that in India the main type of Asbestos used is not chrysotile, which is an exception to the introductory statement.
1. Introduction
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The main production is of chrysotile, which is mined in underground mines.
1. Introduction
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The stacking of the tetrahedral and octahedral sheets in the chrysotile structure has been shown to yield three types of chrysotile fibers: clino-chrysotile: monoclinic stacking of the layers, x parallel to fiber axis, most abundant formortho-chrysotile: orthorhombic stacking of the layers, x parallel to fiber axispara-chrysotile: two layer structure, 180° rotation of two-layer structures, y parallel to fiber axis
Geology of asbestos
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Delegates, who included academics and representatives of the asbestos industry, labour, government and the medical fraternity, also agreed that research should be done on phasing out the use of the sixth type of asbestos, called chrysotile, or white asbestos.
ANC Daily News Briefing
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Asbestos, a fibrous hydrous silicate mineral, exists in 6 forms for industrial use: actinolite, amosite, anthophyllite, chrysotile, crocidolite, and tremolite.
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Only three varieties of amphibole fibers will be discussed because: crocidolite and amosite were the only amphiboles with significant industrial uses in recent years; tremolite, although having essentially no industrial application, may be found as a contaminant in other fibers or in other industrial minerals (e.g., chrysotile and talc).
Geology of asbestos
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In particular, the minerals concerned are: chrysotile, amosite, crocidolite, anthophyllite, tremolite und actinolite, which are categorized on the basis of their chemical composition and fibrous structure as serpentine Asbestos
1. Introductory part: Asbestos - Deposits, uses, types, characteristics
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While we do not choose to comment on chrysotile clearance from the lung, we note that chrysotile fibers reached the omentum and/or mesentery in 25% of the cases.
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Serpentine is a common name for the minerals antigorite, lizardite and chrysotile.
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The once-thriving industry is a rump of what it once was: LAB Chrysotile, of Thetford Mines, Que., says it employs 350 people.
CBC | Top Stories News
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The stacking of the tetrahedral and octahedral sheets in the chrysotile structure has been shown to yield three types of chrysotile fibers: clino-chrysotile: monoclinic stacking of the layers, x parallel to fiber axis, most abundant formortho-chrysotile: orthorhombic stacking of the layers, x parallel to fiber axispara-chrysotile: two layer structure, 180° rotation of two-layer structures, y parallel to fiber axis
Geology of asbestos
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Size characteristics for tremolite and chrysotile fibers are reported in Table 7.
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Various mineral localities occur throughout the county, of which some of the most important occur on the shore at Portsoy, as for example the gabbro masses in Portsoy Bay with enstatite, hypersthene and labradorite, the graphic granite with microcline, muscovite and tourmaline at East Head, the chiastolite-schist west of the marble quarry, the mottled serpentine with strings of chrysotile.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"
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Asbestos, a fibrous hydrous silicate mineral, exists in 6 forms for industrial use: actinolite, amosite, anthophyllite, chrysotile, crocidolite, and tremolite.
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But the form known as chrysotile is relatively harmless and makes up more than 90 percent of the asbestos in U.S. buildings.
To Yank Or Not To Yank?
