Bible Dictionaries
Sanidine

Webster's Dictionary

(n.) A variety of orthoclase feldspar common in certain eruptive rocks, as trachyte; - called also glassy feldspar.

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