Makla: berrikuspenen arteko aldeak
Ezabatutako edukia Gehitutako edukia
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51. lerroa:
* Hurlbut, Cornelius S.; Klein, Cornelis, 1985, Manual of Mineralogy, 20th ed., {{ISBN|0-471-80580-7}}
== Kanpo
* [http://mineral.galleries.com/minerals/twins.htm Mineral galleries – twins]
* [http://www.crystallography.fr/mathcryst/twins.htm Mathematical and Theoretical Crystallography]
* [http://quartzpage.de/crs_twins.html Quartz Crystals – Twinning]
* [http://www.tf.uni-kiel.de/matwis/amat/def_en/kap_7/backbone/r7_1_1.html Grain Boundary Twinning]
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[[Kategoria:Kristalografia]]
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