Bible Dictionaries
Orthoclase

Webster's Dictionary

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

Bibliography Information
Webster, Noah. Entry for 'Orthoclase'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/orthoclase.html. 1828.