Holohedry

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Holédrie (Fr). Holedria (Sp).

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:  {\bar 1}, 2/m, mmm, {\bar 3}m, 4/m mm, 6/m mm, m{\bar 3}m

See also

Section 9.1 of International Tables of Crystallography, Volume A