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Pronunciation varies by accent · noun
(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..
Use orthoclase when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Orthoclase means (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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use orthoclase where its definition matches the intended context.
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