Definición de feldspar en inglés:

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feldspar

Pronunciación: /ˈfɛldspɑː/
(also felspar)

sustantivo

[mass noun]
An abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of aluminosilicates of potassium, sodium, and calcium.
Oraciones de ejemplo
  • Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon.
  • Larger crystals of feldspar and quartz dominate the host rock.
  • These granite dikes are composed almost totally of potassium feldspar and quartz.

Origen

Mid 18th century: alteration of German Feldspat, Feldspath, from Feld 'field' + Spat, Spath 'spar' (see spar3). The form felspar is by mistaken association with German Fels 'rock'.

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