Actions

Difference between revisions of "Tetartohedry"

From Online Dictionary of Crystallography

Line 1: Line 1:
<font color="blue">Tétartoédrie </font>(''Fr''). <Font color="green"> Tetartoedria </Font>(''Sp''). <Font color="black"> Tetartoedria </Font>(''It'')
+
<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'')
  
  

Revision as of 18:50, 2 March 2007

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


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

Section 9.1 of International Tables of Crystallography, Volume A