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BIOTITE [1 record]

Record 1 2012-03-05

English

Subject field(s)
  • Mineralogy
DEF

A dark-brown or dark-green to black mica ... found in igneous and metamorphic rocks.

OBS

Named after the French physicist, J.B. Biot.

OBS

biotite: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Minéralogie
DEF

Minéral que l'on trouve dans les roches du groupe des micas, roches éruptives et métamorphiques.

CONT

La biotite se présente en lamelles noires à l'éclat mordoré, détachables à l'épingle [...]

CONT

Le mica noir, ou biotite, [...] peut être considéré comme une combinaison de muscovite et d'un silicate ferro-magnésien, l'olivine [...]

OBS

biotite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Mineralogía
DEF

[...] diversas variedades de mica ferromagnésica, de color pardo negruzco [...]; puede contener también manganeso y titanio [...] cristaliza en el sistema monoclínico y en forma de láminas elásticas [...]

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