Difference between revisions of "Holohedry"
From Online Dictionary of Crystallography
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[[Category:Fundamental crystallography]]<br> | [[Category:Fundamental crystallography]]<br> | ||
[[Category:Morphological crystallography]] | [[Category:Morphological crystallography]] | ||
Revision as of 15:54, 10 April 2017
Holoédrie (Fr). Holedria (Sp). Oloedria (It). 完面像 (Ja)
Definition
The point group of a crystal is called holohedral if it is identical to the point group of its lattice. The corresponding geometric crystal class is called a holohedry. In the three-dimensional space, there are seven holohedries: [math] {\bar 1}, 2/m, mmm, {\bar 3}m, 4/m mm, 6/m mm, m{\bar 3}m[/math].
See also
- Section 3.2.1.1 of International Tables of Crystallography, Volume A, 6th edition