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About CryptoperthiteHide

A variety of Perthite

A variety of perthite with lamella of submicroscopic thickness.

Other Language Names for CryptoperthiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Cryptoperthite associated with NephelineNa3K(Al4Si4O16)

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 CryptoperthiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 CryptoperthiteHide

Localities for CryptoperthiteHide

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 ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Oppland
    • Lom
Wilke, H.-J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, 370 pp. (p.123)
  • Vestfold
    • Larvik
      • Hedrum
        • Lågendalen
Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19
      • Stavern (Fredriksvärn)
        • Stavernsøya
Weibye, P.C. (1848): Beiträge zur topographischen Mineralogie Norwegens. Archiv für Mineralogie, Geognosie, Bergbau und Hüttenkunde 22:465-544
      • Tjølling
        • Håkestad
Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19
        • Klåstad
Oftedal, I. (1962): Contribution to the geochemistry of nephelinesyenitic pegmatite in the Langesundsfjord area. Norsk Geologisk Tidsskrift 42, 167-177
        • Ula
Oftedahl, C. (1948): Studies on the igneous rock complex of the Oslo region. IX. The Feldspars. Skrifter utgitt av Det Norske Videnskaps-. Akademi i Oslo, I. Mat.-Naturv. Klasse 1948, no.3. 71s.
      • Tvedalen
Atle Michalsen phot & specimen photo id 438869
    • Sandefjord
      • Lahellefjorden
Knut Edvard Larsen observation in field september 2012
      • Østerøya
Berge, S. A. & Andersen, F. (2002): Mineralforekomster i Sandefjordområdet. Norsk Bergverksmuseums Skrift. 20, 50-59
Knut Edvard Larsen observation on material collected july 2013
Knut Edvard Larsen photo
      • Vesterøya
Berge, S. A. (2013):Mineralene i Husebyyåsen feltspatbrudd, Vesterøya, Sandefjord. Norsk Bergverksmuseum Skrifter. 50, 93-99
  • New Mexico
    • Colfax Co.
Minerals of New Mexico 3rd ed.
    • Sierra Co.
      • Hillsboro District
Minerals of New Mexico 3rd ed.
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