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Orthoclase
noun
Definitions
Noun
- 1 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. countable, uncountable
- 2 a white or colored monoclinic feldspar wordnet
Etymology
From ortho- + -clase.
See also for "orthoclase"
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