- galena by Anna Curtis
(mineralogy) PbS A bluish-gray to lead-gray mineral with brilliant metallic luster, specific...
- Boulangerite by Webster's
(n.) A mineral of a bluish gray color and metallic luster, usually in plumose masses, also compact....
- Plagionite by Webster's
(n.) A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster.
- Argentite by Webster's
(n.) Sulphide of silver; -- also called vitreous silver or silver glance. It has a metallic luster,...
- Nagyagite by Webster's
(n.) A mineral of blackish lead-gray color and metallic luster, generally of a foliated massive...