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="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