TERMIUM Plus®

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HEMIHEDRISM [2 records]

Record 1 2016-02-25

English

Subject field(s)
  • Mineralogy
DEF

The possession by a crystal of only half of the elements of symmetry which are possible in the crystal system to which it belongs.

French

Domaine(s)
  • Minéralogie
DEF

Phénomène par lequel une forme cristalline ne présente que la moitié des faces prévues par la loi de Haüy.

Spanish

Campo(s) temático(s)
  • Mineralogía
DEF

Propiedad de los cristales que sólo presentan la mitad de las caras que tiene la forma holoédrica correspondiente.

Save record 1

Record 2 1991-10-03

English

Subject field(s)
  • Mineralogy
OBS

See hemihedrism : WEBIN, 1976, p. 1054.

French

Domaine(s)
  • Minéralogie
DEF

Hémiédrie possédant un centre de symétrie.

CONT

Hémiédrie : C'est la forme de mériédrie la plus fréquente, elle se présente sous trois aspects : a) Parahémiédrie : Dite aussi à faces parallèles dans laquelle le centre du symétrie est conservé [...] b) Antihémiédrie [...] c) Hémiédrie plagiaire [...]

Spanish

Save record 2

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