saponite


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Related to saponite: Nontronite

sap·o·nite

 (săp′ə-nīt′)
n.
A clay mineral that is a hydrous silicate of aluminum and magnesium and occurs in soft amorphous masses in the cavities of certain rocks.
[Latin sāpō, sāpōn-, hair dye; see saponin + -ite.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

saponite

(ˈsæpəˌnaɪt)
n
(Minerals) a clay mineral consisting of hydrated magnesium aluminium silicate and occurring in metamorphic rocks such as serpentine
[C19: from Swedish saponit (a rendering of German Seifenstein soapstone), from Latin sāpō soap]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sap•o•nite

(ˈsæp əˌnaɪt)

n.
a clay mineral, hydrous magnesium aluminum silicate, belonging to the montmorillonite group: found as a soft filling in rock cavities.
[1840–50; < Swedish saponit < Latin sāpō soap]
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 ?
Miles, "Amargosa sepiolite and saponite: Geology, mineralogy and markets," Developments in Clay Science.
Sepiolite for rubber nanocomposites with high mechanical reinforcement and low dissipation of energy
[15] Polverejan M., Liu Y., Pinnavaia T.: "Aluminated derivatives of porous clay heterostructures (PCH) assembled from synthetic saponite clay: Properties as supermicroporous to small mesoporous acid catalysts".
Catalytic dehydrogenation of ethylbenzene to styrene over clay-mesoporous silica modified with cobalt oxide compound materials/Deshidrogenacion catalitica de etilbenceno a estireno sobre materiales compuestos de arcilla-silice mesoporosa modificada con oxido de cobalto
Ben Haj Amara, "Charge location effect on the hydration properties of synthetic saponite and hectorite saturated by [Na.sup.+], [Ca.sup.2+] cations: XRD investigation," Applied Clay Science, vol.
Crystalline Swelling Process of Mg-Exchanged Montmorillonite: Effect of External Environmental Solicitation
Smectite is the name used for a group of phyllosilicate mineral species, the most important of which are montmorillonite, beidellite, nontronite, saponite, and hectorite [4].
Characterization of Colombian Clay and Its Potential Use as Adsorbent
Ideal solid solution endmembers: (a) Ca- beidellite, Ca-nontronite, Mg-beidellite, Mg-nontronite, K-beidellite, K-nontronite, Na-beidellite, and Na-nontronite; bCa-saponite, Fe-saponite, Mg- saponite, K-saponite, and Na-saponite; (c) Camontmorillonite, Mg-montmorillonite, K-montmorillonite, and Na-montmorillonite; and (d) Ca- chabazite and Na-chabazite.
Fluid Chemistry of Mid-Ocean Ridge Hydrothermal Vents: A Comparison between Numerical Modeling and Vent Geochemical Data
Pozas, Textural and structural modifications of saponite from Cerro del Aquill by acid treatment, Clay Minerals, 36, 483 (2001).
Sorption Performance of Activated Nkaliki Clay in Removing Chromium (VI) Ion from Aqueous Solution: Kinetics, Isotherm, and Thermodynamic Studies
Smectite clays such as montmorillonite, hectorite, and saponite have been used as inorganic fillers in many polymers.
Properties of Na-montmorillonite and cellulose nanocrystal reinforced polyfbutyl acrylate-co-methyl methacrylate) nanocomposites
(2003) record saponite as the main phyllosilicate in the contact between the marl-limestone rhythmite and doleritic laccolith of Sierra de Priego (Cordoba), as a consequence of a late hydrothermal process after contact metamorphism produced by the intrusion of subvolcanic rocks.
Phreatomagmatic activity and associated hydrothermal processes in the lamproitic volcano of Cancarix (Southeast Spain)
Al-pillaring of saponite with the Al polycation [[[Al.sub.13][(OH).sub.24][([H.sub.2]O).sub.24]].sup.15+] using a new synthetic route.
Pillaring of clays and perspective of agronomic and environmental application and research/ Pilarizacao de argilas e perspectivas de aplicacao e de pesquisa agronomica e ambiental
Study of the porous solids obtained by acid treatment of a high surface area saponite. Journal of Porous Materials, 6: 335-344.
Modification of Ntezi bentonite structure by hydrochloric acid: process kinetics and structural properties of the modified samples

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