Bible Dictionaries
Pyrargyrite

Webster's Dictionary

(n.) Ruby silver; dark red silver ore. It is a sulphide of antimony and silver, occurring in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster.

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