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Cryptoperthite

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Big Photo

Klåstad Quarry, Klåstad, Tjølling, Larvik, Vestfold, Norway
© ØT




A variety of Perthite

A variety of perthite with lamella of submicroscopic thickness.

Classification of Cryptoperthite

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Other Names for Cryptoperthite

Other Languages:
German:Cryptoperthit
Spanish:Cryptoperthita

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 Cryptoperthite

Reference List:

- +
Brown, W.L. and Willaime, C. (1974) An explanation of exsolution orientations and residual strain in cryptoperthites. In W.S. MacKenzie and J. Zussman, Eds., The Feldspars: 440-459. Manchester University Press, U.K.

Gandais, M., Guillemin, C., and Willaime, C. (1974) Study of boundaries in cryptoperthites. In Electron Microscopy 1974, p. 508-509. Eight International Congress on Electron Microscpy. The Australian Academy of Science, Canberra.

Yund, R.A. and Davidson, P. (1978) Kinetics of lamellar coarsening in cryptoperthites. American Mineralogist: 63: 470-477.

Yund, R.A. and Chapple, W.M. (1980) Thermal histories of two lava flows estimated from cryptoperthite lamellar spacings. American Mineralogist: 65: 438-443.

Brown, W.L., Becker, S.M., and Parsons, I. (1983) Cryptoperthites and cooling rate in a layered syenite pluton: a chemical and TEM study. Contributions to Mineralogy and Petrology: 82: 13-25.

Brown, W.L. and Parsons, I. (1984a) Exsolution and coarsening mechanisms and kinetics in an ordered cryptoperthite series. Contributions to Mineralogy and Petrology: 86: 3-18.

Brown, W.L. and Parsons, I. (1984b) The nature of potassum feldspar, exsolution microtextures and development of dislocations as a function of composition in perthitic alkali feldspars. Contributions to Mineralogy and Petrology: 86: 335-341.

Snow, E. and Yund, R.A. (1988) Origin of cryptoperthites in the Bishop Tuff and their bearing in its thermal history. Journal of Geophysical Research: 93: 8975-8984.

Internet Links for Cryptoperthite

Search Engines:
  • Look for Cryptoperthite on Google
  • Look for Cryptoperthite images on Google
    • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for - Cryptoperthite - on e-Rocks Mineral Sales & Auctions
  • Edwards Minerals - Fine Specimens
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Buy fine minerals and gemstones from Pala International
  • Top quality minerals from Kristalle of California
  • Find Cryptoperthite on www.crystalclassics.co.uk
  • The Arkenstone - Fine Minerals
  • By minerals from YourMineralCollection
  • Fabre Minerals - search for Cryptoperthite specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Fine Minerals from Weinrich Minerals, Inc.
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Cryptoperthite

    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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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Norway
     
    • Vestfold
      • Larvik
        • Hedrum
          • Lågendalen
    		Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19
        • Stavern (Fredriksvärn)
          • Rakke
    		Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19
        • Tjølling
          • Håkestad
    		Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19
          • Klåstad
    		Øivind Thoresen photo & collection
          • Ula
      • Sandefjord
        • Østerøya
    		Berge, S. A. & Andersen, F. (2002): Mineralforekomster i Sandefjordområdet. Norsk Bergverksmuseums Skrift. 20, 50-59
    USA
     
    • New Mexico
      • Colfax Co.
    		Minerals of New Mexico 3rd ed.
      • Sierra Co.
        • Hillsboro District
    		Minerals of New Mexico 3rd ed.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Jun 2011 19:29:42
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