Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A mineral, Al2Si2O5(OH)4, that is the principal constituent of kaolin.
from The Century Dictionary.
- noun Kaolin in its crystalline form.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A common
hydrous aluminosilicate mineral found insediments ,soils andsedimentary rocks ,Al 2Si 2O 5(OH )4; one of thekaolin group of minerals.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a mineral consisting of aluminum silicate; main source of kaolin
Etymologies
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Examples
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There are, in fact, several distinct types of clay, the principal ones being: kaolinite, which is relatively stable, illite, which is of average stability, and montmorillonite, which is highly sensitive to water (causing swelling, etc).
Chapter 4 1994
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The clay mineral found in kaolin clay is called kaolinite and its formula is:
Chapter 8 1990
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"Venezuela's ceramics and construction industries will benefit most from that mine since they are currently importing china clay from the United States and Colombia, and it is nowhere near the quality of domestic Venezuelan kaolinite which is probably the best in the world ... my father says it is THE best!"
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The "1: 1" clays such as kaolinite have C. E.C.of 10 to 15 meq/100 g.
Chapter 9 1995
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Mineralogically, clay may contain a variety of components such as kaolinite, vermiculite, illite, chlorite and montmorillonite.
Chapter 5 1987
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For iron ore producers, these technologies include a process to halve the phosphorus content of high-phosphorus iron ores; processes to remove or mitigate the effects of other impurities such as kaolinite and alumina; and a new database that provides a clear picture of the nation's main iron ore reserves, their tonnage and chemical features. outlines a number of technologies currently being developed through CSIRO's Flagship program.
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White Kaolin Clay, also known as China or White Clay, is basically kaolinite and is the mildest of all clays.
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While the company's mining interests are NOT entirely focused on kaolinite, Agapov (pictured left!) and his father (Rusoro chairman Vladimir Agapov) say that it is a particular favorite of President Hugo Chavez, who has mentioned the Russian Agapov family's ties to Venezuela on more than one occasion, recently telling television viewers of the strategic importance of china clay (kaolinite) to Venezuela's economy.
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Rusoro has seen positive in a buy-out of Las Brisas as part of a general consolidation of assets in a broader Kilometer 88 scenario, including access to the kaolinite deposits situated between the two objects of international controversy.
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Rusoro's non-metallic Venezuelan interests are in the domestic extraction of kaolinite (china clay), which he says is very high quality, and -- interestingly enough -- to be found in a huge quantities between Crystallex 'Las Cristinas contract and Gold Reserve's claim of a concession at Las Brisas de Cuyuni in the very much larger mining district of Kilometer 88 in southern Bolivar State.
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