feldspar vs felspar what difference

what is difference between feldspar and felspar


Alternative forms

  • felspar


Partial calque of German Feldspat, formed from Feld (field) + Spat (spar).


feldspar (countable and uncountable, plural feldspars)

  1. (mineralogy) Any of a large group of rock-forming minerals that, together, make up about 60% of the earth’s outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks.

Derived terms

Related terms

  • feldspathic
  • feldspathoid
  • feldspathose


See also

  • albite
  • bytownite
  • andesine
  • anorthite
  • granite
  • labradorite
  • microcline
  • mineral
  • oligoclase
  • orthoclase
  • rock



felspar (countable and uncountable, plural felspars)

  1. Alternative spelling of feldspar

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