Bible Dictionaries
Bournonite

Webster's Dictionary

(n.) A mineral of a steel-gray to black color and metallic luster, occurring crystallized, often in twin crystals shaped like cogwheels (wheel ore), also massive. It is a sulphide of antimony, lead, and copper.

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