Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An iron-rich form of amphibole that occurs in long white fibers and is a form of asbestos.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A variety of
grunerite asbestos , once used ininsulation .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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South Africa mined crocidolite, amosite and chrysotile asbestos extensively from the late 1800s until 2001.
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The geology of asbestos centers on the the three most common types: chrysotile, amosite, and crocidolite.
Asbestos 2008
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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 2008
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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 2008
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With crocidolite, only small amounts of magnesium and sodium are extracted in these conditions, whereas amosite liberates substantial quantities of iron and magnesium.
Geology of asbestos 2007
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The trend observed of increasing tensile strength of amphiboles from tremolite, to amosite, to crocidolite is directly related to the iron content of these fibers.
Geology of asbestos 2007
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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 2007
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The amosite deposit found in similar rock formations is the result of a high temperature metamorphic process.
Geology of asbestos 2007
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The tensile strengths of amosite and crocidolite are comparable to that of chrysotile.
Geology of asbestos 2007
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With this mind, Zimbabwe's government has renewed efforts to draw a distinction between white asbestos and crucidolite, or blue asbestos, and amosite (brown asbestos).
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