Difference between revisions of "Hemihedry"
From Online Dictionary of Crystallography
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| − | <font color="blue">Hémiédrie </font>(''Fr''). <Font color="green"> Hemiedria </Font>(''Sp''). <Font color="black"> Emiedria </Font>(''It'') | + | <font color="blue">Hémiédrie </font>(''Fr''). <Font color="green"> Hemiedria </Font>(''Sp''). <Font color="black"> Emiedria </Font>(''It''). <Font color="purple"> 半面像 </Font>(''Ja'') |
Revision as of 18:52, 2 March 2007
Hémiédrie (Fr). Hemiedria (Sp). Emiedria (It). 半面像 (Ja)
Definition
The point group of a crystal is called hemihedry if it is a subgroup of index 2 of the point group of its lattice.
See also
Section 9.1 of International Tables of Crystallography, Volume A