( n. )
A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.
( n. )
A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012