Bible Dictionaries
Pyrolusite
Webster's Dictionary
(n.) Manganese dioxide, a mineral of an iron-black or dark steel-gray color and metallic luster, usually soft. Pyrolusite parts with its oxygen at a red heat, and is extensively used in discharging the brown and green tints of glass (whence its name).
Copyright StatementThese files are public domain.
Text Courtesy of
BibleSupport.com. Used by Permission.
Bibliography Information
Webster, Noah. Entry for 'Pyrolusite'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/p/pyrolusite.html. 1828.