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Clay



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

Classification of Clay

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Other Names for Clay

Synonyms:
Leca
Other Languages:
German:Walkerde
Walkererde
Varieties:
ChasovriteElbrussiteGinzburgite (of Chukhrov)KeramsitePolynite
Porcelain JasperStone-butter

Other Information

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

References for Clay

Reference List: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 thremodynamic 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.

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.

Internet Links for Clay

Search Engines:
  • Look for Clay on Google
  • Look for Clay images on Google
  • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wilensky Fine Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fabre Minerals - search for Clay specimens
  • Buy fine minerals and gemstones from Pala International
  • Search for - Clay - on e-Rocks Mineral Sales & Auctions
  • Buy minerals from Mineralium.com
  • Find Clay on www.crystalclassics.co.uk
  • rare and unusual minerals mainly crystallized
  • Lapis Mineral Magazin
  • Buy Fine Minerals from mineralsweb.com
  • Buy from David K Joyce minerals
  • Jobs:
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    Localities for Clay

    The 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.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Nov 2009 16:59:15