TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

(K BA)AL(SI AL)3O8 [1 record]

Record 1 2010-09-22

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
(K,Ba)Al(Si,Al)3O8
formula, see observation
DEF

A colorless monoclinic mineral of the feldspar group: [which] is intermediate in composition between celsian and orthoclase.

OBS

Chemical formula: (K,Ba)Al(Si,Al)3O8

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
(K,Ba)Al(Si,Al)3O8
formula, see observation
DEF

Minéral (feldspath lourd) du système cristallin monoclinique.

OBS

Entre (les) deux termes extrêmes [orthose et celsian], des termes moyens, appelés «hyalophanes» [...]

OBS

Les «hyalophanes» [...] seront caractérisés par un indice d'autant plus élevé et une masse spécifique d'autant plus forte que le minéral est plus riche en baryum.

OBS

C'est une celsiane avec plus de 60 % d'orthose.

OBS

Formule chimique : (K,Ba)Al(Si,Al)3O8

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
(K,Ba)Al(Si,Al)3O8
formula, see observation
DEF

Variedad de ortosa, más densa que la común, que puede ser considerada como una mezcla de ortoclasa [...] y de celsiana [...]

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