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A group of minerals, common in soils. Many doubtful clays are probably impure kaolinite. [Clark, 1993 - "Hey's Mineral Index"]. Other clay may be halloysite, montmorillonite or smectite etc.

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Synonyms of ClaysHide

Other Language Names for ClaysHide

Simplified Chinese:粘土

Varieties of ClaysHide

ChasovriteA variety of clay mineral (glinite) from the Chasovyar deposit in the Ukraine.
ElbrussiteA clay from nontronite-beidellite group
Ginzburgite (of Chukhrov)A group of clay minerals.
KeramsiteA light-weight 'bloated' clay aggregate.
PolyniteAn ill-defined clay of montmorillonite family.
Porcelain JasperA hard, impure clay
Stone-butterA type of clay said to have been used instead of butter. A.H.CHester (1896) Dict. Names Min. p.259

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz40 photos of Clays associated with Quartz on
Chlorite Group14 photos of Clays associated with Chlorite Group on
Kaolinite13 photos of Clays associated with Kaolinite on
Calcite10 photos of Clays associated with Calcite on
Fluorite8 photos of Clays associated with Fluorite on
Opal-AN6 photos of Clays associated with Opal-AN on
Hematite6 photos of Clays associated with Hematite on
Marcasite6 photos of Clays associated with Marcasite on
Glauconite3 photos of Clays associated with Glauconite on
Analcime2 photos of Clays associated with Analcime on

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ClaysHide

Reference List:
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Cleveland, G.B. (1957) Clay: Calif. Div. Mines & Geol. Bull. 176: 131-152.
Karickhoff, S.W. & Bailey, G.W. (1973) Optical absorption spectra of clay minerals: Clays and Clay Minerals: 21: 59-70.
Weaver, C.E. and Pollard, L.D. (1973) The chemistry of clay minerals: 55-77. Elsevier, Amsterdam.
Chukhrov, F.V., Gorshkov, A.I., Rudnitskaya, E.S., Berezovskaya, V.V., and Sivtsov, A.V. (1980) Manganese minerals in clays: a review. Clays and Clay Minerals, 28, 5, 346-354.
Lippmann, F. (1982) The thermodynamic status of clay minerals. In H. van Olphen and F. Veniale, Editors, Proceedings of the International lay Conference Pavia, Italy, 475-485. Elsevier, Amsterdam.
Velde, B. (1984) Electron microprobe analysis of clay minerals: Clay Minerals: 19: 243-247.
Velde, B. (Ed.) (1985) Clay minerals: A physico-chemical explanation of their
occurrence. Elsevier, Amsterdam.
Newman, A.C.D. and Brown, G. (1987) The chemical constitution of clays. In A.C.D. Newman, Editor, Chemistry of Clays and lay Minerals: 1-128 Mineralogical Society, London.
Madejova, J. and Komadel, P. (2001) Baseline studies of the Clay Mineral Society source clays: Infrared methods: Clays and Clay Minerals: 49: 410-432.
Meunier, A. (2006) Why are clay minerals small? Clay Minerals, 41, 551-566.
Madejová, J., Pálková, H., and Komadel, P. (2010) IR spectroscopy of clay minerals and clay nanocomposites. Spectroscopic Properties of Inorganic and Organometallic Compounds: Techniques, Materials and Applications, 41, 22-71.
Hazen, R.M., Sverjensky, D.A., Azzolini, D., Bish, D.L., Elmore, S.C., Hinnov, L., and Milliken, R.E. (2013) Clay mineral evolution. American Mineralogist 98, 2007-2029.
Association Internationale pour l’Étude des Argiles [International Association for the Study of Clays],

Internet Links for ClaysHide

Localities for ClaysHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListShow

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