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Difference between revisions of "Holohedry"

From Online Dictionary of Crystallography

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<font color="blue">Holédrie </font>(''Fr''). <Font color="green"> Holedria </Font>(''Sp'').
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<font color="blue">Holédrie </font>(''Fr''). <Font color="green"> Holedria </Font>(''Sp''). <Font color="black"> Oloedria </Font>(''It'')
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== Definition ==
 
== Definition ==

Revision as of 14:18, 21 April 2006

Holédrie (Fr). Holedria (Sp). Oloedria (It)


Definition

The point group of a crystal is called holohedry if it is identical to the point group of its lattice. There are seven holohedral point groups: [math] {\bar 1}, 2/m, mmm, {\bar 3}m, 4/m mm, 6/m mm, m{\bar 3}m[/math]

See also

Section 9.1 of International Tables of Crystallography, Volume A