orthoclase

EnglishEdit

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Orthoclase

EtymologyEdit

ortho- +‎ Ancient Greek κλαστός (klastos, broken)

NounEdit

orthoclase (uncountable)

  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.

TranslationsEdit

See alsoEdit

rock, mineral, pegmatite
sanidine, adularia
Last modified on 10 January 2014, at 16:30