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Clays

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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 mindat.org.
Chlorite Group14 photos of Clays associated with Chlorite Group on mindat.org.
Kaolinite13 photos of Clays associated with Kaolinite on mindat.org.
Calcite10 photos of Clays associated with Calcite on mindat.org.
Fluorite8 photos of Clays associated with Fluorite on mindat.org.
Opal-AN6 photos of Clays associated with Opal-AN on mindat.org.
Hematite6 photos of Clays associated with Hematite on mindat.org.
Marcasite6 photos of Clays associated with Marcasite on mindat.org.
Glauconite3 photos of Clays associated with Glauconite on mindat.org.
Analcime2 photos of Clays associated with Analcime on mindat.org.

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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cleveland, G.B. (1957): Clay: Calif. Div. Mines & Geol. Bull. 176: 131-152.
Karickhoff, S.W. & G.W. Bailey (1973): Optical absorption spectra of clay minerals: Clays and Clay Minerals: 21: 59-70.
Weaver, C.E. and L.D. Pollard (1973): The chemistry of clay minerals: 55-77. Elsevier, Amsterdam.
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 G. Brown (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 P. Komadel (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.
Jana Madejová, Helena Pálková and Peter Komadel (2010): IR spectroscopy of clay minerals and clay nanocomposites. Spectroscopic Properties of Inorganic and Organometallic Compounds: Techniques, Materials and Applications, 41, 22-71.
Robert M. Hazen, Dimitri A. Sverjensky, David Azzolini, David L. Bish, Stephen C. Elmore, Linda Hinnov and Ralph E. Milliken (2013): Clay mineral evolution. Am. Mineral. 98, 2007-2029.
Association Internationale pour l’Étude des Argiles [International Association for the Study of Clays], http://www.aipea.org/

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

Mineral and/or Locality  
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