Difference between revisions of "Tetartohedry"
From Online Dictionary of Crystallography
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== Definition == | == 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. | + | 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 == | == See also == | ||
Revision as of 10:07, 9 April 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