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Deutsche Orthoklas {m} [min.] Synonyme

Englische orthoclase Synonyme

orthoclase Definition

Orthoclase
(n.) Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.

orthoclase Bedeutung

orthoclase a white or colored monoclinic feldspar
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Orthoclase, or orthoclase feldspar , is an important tectosilicate mineral which forms igneous rock. The name is from the Ancient Greek for "straight fracture," because its two cleavage planes are at right angles to each other. It is a type of potassium feldspar, also known as K-feldspar. The gem known as moonstone is largely composed of orthoclase.

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