illite


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illite

(ˈɪlaɪt)
n
(Minerals) a clay mineral of the mica group, found in shales and mudstones. Crystal structure: monoclinic. Formula: K1–1.5Al4(Si6.5–7Al1–1.5O20)(OH)4
[C20: named after Illinois, where it was first found]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

il•lite

(ˈɪl aɪt)

n.
any of a group of clay minerals, hydrous potassium aluminosilicates, characterized by a three-layer micalike structure and a gray, light green, or yellowish brown color.
[1937; Ill(inois) + -ite1]
il•lit•ic (ɪˈlɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
For example, the smectite peak, vermiculite illite peak, and kaolinite-smectite peak all could be detected after XRD-profile fitting.
Effect of partial removal of adsorbed humus on kinetics of potassium and silica release by tartaric acid from clay-humus complex from two dissimilar soil profiles
Analysis of some properties of model system from lowmelting illite clay and fibrous mineral wool waste, Material Science-Poland 25(1): 209-217.
Investigation into the properties of sintered ceramics from dysna clay and non-plastics additives/Sukepusios keramikos is dysnos radimvietes molio ir liesinanciu priedu savybiu tyrimai
Analysis results showed kaolinite, illite, montmorillonite and quartz, an iron oxide content of 1.8 per cent, titanium low at 0.13 per cent, alkalis at 5 per cent and calcium oxide also low at 0.03 per cent.
From the ground up new work from an old landscape: Steve Harrison investigates native porcelains developed from Australian Bai-tunze of the Southern Highlands of Australia
The IR was mainly represented by a muddy fraction (<0.01 mm) consisting pre-dominantly of illite accompanied by a considerable amount of chlorite.
Diagenetic influences on iron-bearing minerals in Devonian carbonate and siliciclastic rocks of Estonia / Diageneetiliste muutuste moju rauamineraalidele Eesti Devoni karbonaatsetes ja terrigeensetes kivimites
The adverse effect of illite clay on bitumen recovery was found to be related to its acidity.
Effect of illite clay and divalent cations on bitumen recovery
Diffraction intensity ratios (Dis) of the clay fraction (<2.0 [micro]) were calculated by measuring the area under the illite peak at 1.0 nm and dividing it by the area under the kaolinite and chlorite peak at 0.7 nm (Willman and others 1966; Bruno and others 2006).
Textural and mineralogical characteristics of tills of northeastern and north-central Ohio (1)
There are several different types of silicate clay minerals: illite, vermiculite, smectite, and kaolinite.
Chapter 7 Soil minerals and weathering
X-Ray diffraction analysis of clay samples showed a mixed assemblage of kaolinite, smectite, and illite clays, as well as a large quantity of quartz.
Geology collegiate section
As a rule it has altered to albite, illite or carbonates.
Famous mineral localities: Las Vigas: Veracruz, Mexico
The layers of one mica clay, illite, are firmly bound by bridges of potassium ions.
Chapter 10: Soil fertility
Small quantities of illite (and probably sapo-nite), opal, "wad", and calcite were also encountered.
Zeolite-bearing trachyandesite from Dobranka, Ceske stredohori Mts.: petrography, geochemistry and amygdale mineralogy

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