Bible Dictionaries
Pyrophyllite

Webster's Dictionary

(n.) A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.

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