( n. )
A mineral of blackish lead-gray color and metallic luster, generally of a foliated massive structure; foliated tellurium. It is a telluride of lead and gold.
( n. )
A mineral of blackish lead-gray color and metallic luster, generally of a foliated massive structure; foliated tellurium. It is a telluride of lead and gold.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012