出典:Wiktionary
出典:『Wiktionary』 (2025/05/25 18:27 UTC 版)
pericline (countable and uncountable, plural periclines)
出典:Wikipedia
出典:『Wikipedia』 (2010/12/03 13:27 UTC 版)
Pericline is a form of albite exhibiting elongate prismatic crystal. Pericline twinning is a type of crystal twinning which show fine parallel twin laminae typically found in the alkali feldspars sanidine, microcline and albite. The twinning results from a structural transformation between high temperature and low temperature forms.