Pericline

Pericline may refer to any of the following geological or mineralogical structures:

  • A doubly plunging anticline or syncline.
  • A form of albite exhibiting elongate prismatic crystals.[1]
  • Pericline twinning, a type of crystal twinning in which crystals show fine parallel twin laminae, typically found in the alkali feldspar microcline.[2] The twinning results from a structural transformation between high temperature and low temperature forms.[3]

References

  1. ^ "Pericline". mindat.org. Hudson Institute of Mineralogy. Retrieved 8 March 2026.
  2. ^ Hurlbut, Cornelius S.; Klein, Cornelis, 1985, Manual of Mineralogy, p. 100, 20th ed., ISBN 0-471-80580-7
  3. ^ Tsatskis, I. and E.K.H. Salje (1996) Time evolution of pericline twin domains in alkali feldspars, American Mineralogist, Volume 81, pages 800-810 PDF
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