TERMIUM Plus®

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POTASSIUM FELDSPAR [1 record]

Record 1 2011-05-16

English

Subject field(s)
  • Mineralogy
  • Geochemistry
DEF

Any alkali feldspar (orthoclase, microcline, sanidine, adularia) containing the molecule KAlSi3O8.

CONT

The potassium feldspars (K-feldspars) ... are those that range in composition from pure K-feldspar to pure Na-feldspar ...

OBS

potassium feldspar: Incorrectly known as K feldspar; potash feldspar.

OBS

Field workers generally just write down "K-spar" and leave it at that until they can get to the laboratory.

OBS

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

Key term(s)
  • K spar

French

Domaine(s)
  • Minéralogie
  • Géochimie
CONT

Dans les feldspaths potassiques, le plus important est l'orthose [...] appartenant au système monoclinique.

CONT

Les feldspaths potassiques [...] sont polymorphes.

OBS

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

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Geoquímica
CONT

Las numerosas variedades de feldespato pueden ser clasificadas en dos grupos: el de los feldespatos potásicos y el de las plagioclasas o feldespatos calcosódicos. El más importante entre los primeros es la ortosa [...]

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