TERMIUM Plus®

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

MULLITE [1 record]

Record 1 2016-01-28

English

Subject field(s)
  • Mineralogy
  • Natural Construction Materials
  • Refractory Materials (Metallurgy)
DEF

An aluminum silicate, ... formed by heating other aluminum silicates (such as cyanite, sillimanite, and andalusite) to high temperatures, and the only stable member of the group.

OBS

Colorless crystals; specific gravity, 3.15; melting point, 1,810 °C; insoluble in water. Found in nature, but rare. Used in refractories and in glass.

French

Domaine(s)
  • Minéralogie
  • Matériaux de construction naturels
  • Matériaux réfractaires (Métallurgie)
DEF

Silicate d'aluminium à caractère hautement réfractaire.

CONT

Il existe [...] un autre composé correspondant à un silicate d'alumine, mais de formule différente, c'est la «mullite», très rare dans la nature, mais très courante artificiellement (brique alumineuse, porcelaine). Tous les autres corps, tels andalousite, sillimanite, disthène, après fusion ou ramollissement (t = 1500 °), fournissent par refroidissement de la mullite.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Materiales de construcción naturales
  • Materiales refractarios (Metalurgia)
DEF

Silicato de aluminio [...] que cristaliza en el sistema rómbico [...]

OBS

[La mullita] es un producto que resulta de la transformación de los silicatos de alúmina a temperaturas elevadas [...] la mullita es, por lo demás, el componente principal de la porcelana y otras cerámicas.

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