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Triklinski kristalni sistem

Triklinski kristal bakrovega sulfata (CuSO4·5H2O)

Triklinski kristalni sistem ali triklinska singonija je eden od sedmih kristalnih sistemov.

Ocnovna celica: a ≠ b ≠ c in α ≠ β ≠ γ )

Kristalni sistem je opisan s tremi krajevnimi vektorji. V triklinskem kristalnem sistemu so vektorji različno dolgi, koti med njimi pa niso pravi koti. Triklinska krstalna mreža je najmanj simetrična od 14 Bravaisovih mrež, saj ima od vseh elementov simetrije samo središče simetrije in je edina, ki nima zrcalnih ravnin.

Kristalna razreda

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Triklinski kristalni sistem ima dva kristalna razreda.

Imena, primeri, Schönfliesova notacija, Hermann–Mauguinova notacija, točkovne skupine, številke kristalografskih prostorskih skupin v Mednarodnih tabelah za kristalografijo,[1] orbifold, tip in prostorski skupini triklinskega kristalnega sistema so prikazani v naslednji preglednici:

Kristalni razred Primer Schönfliesova notacija Hermann–Mauguinova notacija Točkovne skupine # Orbifold Tip Prostorske skupine
Pedialni [2] Tantit C1 1 1 1 11 enantiomorfno polarni P1
Pinakoidalni [2] Wollastonit Ci (označen tudi z S2) 1 1 2 1x centrosimetrični P1

Sklici

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  1. Prince, E., ed (2006). International Tables for Crystallography. International Union of Crystallography. doi:10.1107/97809553602060000001. ISBN 978-1-4020-4969-9.
  2. 2,0 2,1 »The 32 crystal classes«. Arhivirano iz prvotnega spletišča dne 13. aprila 2012. Pridobljeno 8. julija 2009.
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Triklinski kristalni sistem
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