orthoclase

English

Etymology

From ortho- +‎ -clase.

Noun

orthoclase (countable and uncountable, plural orthoclases)

  1. (mineralogy) Potassium aluminum silicate, KAlSi3O8, a common feldspar of igneous, plutonic, and metamorphic rocks. Orthoclase is the main feldspar of pegmatite occurrences, where it is most commonly flesh-colored. Orthoclase is used in the ceramic and glass industries and as a decorative gravel.

Derived terms

Translations

See also

Further reading

  • David Barthelmy (1997–2025) “Orthoclase”, in Webmineral Mineralogy Database.
  • “orthoclase”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2025.
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