( n. )
A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.
( n. )
A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012