# Pericline

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'''Pericline''' may refer to any of the following [geological](/source/geological) or [mineralogical](/source/mineralogical) structures:
* A doubly plunging [anticline](/source/anticline) or [syncline](/source/syncline).
* A form of [albite](/source/albite) exhibiting elongate prismatic crystals.<ref>{{cite web |title=Pericline |url=https://www.mindat.org/min-4518.html |website=mindat.org |publisher=Hudson Institute of Mineralogy |access-date=8 March 2026}}</ref>
* Pericline twinning, a type of [crystal twinning](/source/crystal_twinning) in which crystals show fine parallel twin laminae, typically found in the alkali feldspar [microcline](/source/microcline).<ref>Hurlbut, Cornelius S.; Klein, Cornelis, 1985, ''Manual of Mineralogy'', p. 100, 20th ed., {{ISBN|0-471-80580-7}} </ref>  The twinning results from a structural transformation between high temperature and low temperature forms.<ref>Tsatskis, I. and E.K.H. Salje (1996) ''Time evolution of pericline twin domains in alkali feldspars'', American Mineralogist, Volume 81, pages 800-810 [http://www.minsocam.org/MSA/AmMin/TOC/Articles_Free/1996/Tsatskis_p800-810_96.pdf PDF]</ref>

==References==
{{Reflist}}

Category:Crystallography
Category:Feldspar group
Category:Structural geology

{{set index article}}

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Adapted from the Wikipedia article [Pericline](https://en.wikipedia.org/wiki/Pericline) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Pericline?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.