Bible Dictionaries
Tetrahedrite

Webster's Dictionary

(n.) A sulphide of antimony and copper, with small quantities of other metals. It is a very common ore of copper, and some varieties yield a considerable presentage of silver. Called also gray copper ore, fahlore, and panabase.

Bibliography Information
Webster, Noah. Entry for 'Tetrahedrite'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tetrahedrite.html. 1828.