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Difference between revisions of "Tetartohedry"

From Online Dictionary of Crystallography

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<font color="blue">Tétartoédrie </font>(''Fr''). <Font color="green"> Tetartoedria </Font>(''Sp''). <Font color="black"> Tetartoedria </Font>(''It''). <Font color="purple"> 四半面像 </Font>(''Ja'').
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<font color="blue">Tétartoédrie</font> (''Fr''). <font color="red">Tetartoedrie</font> (''Ge''). <font color="black">Tetartoedria</font> (''It''). <font color="purple">四半面像</font>(''Ja''). <font color="green">Tetartoedría</font>(''Sp'').
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== Definition ==
 
== Definition ==

Latest revision as of 13:59, 20 November 2017

Tétartoédrie (Fr). Tetartoedrie (Ge). Tetartoedria (It). 四半面像(Ja). Tetartoedría(Sp).


Definition

The point group of a crystal is called tetartohedry if it is a subgroup of index 4 of the point group of its lattice.

See also

  • Chapter 3.2.1 of International Tables for Crystallography, Volume A, 6th edition