(n.) A mineral of a bluish gray color and metallic luster, usually in plumose masses, also compact. It is a sulphide of antimony and lead.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Boulangerite. Retrieved September 24, 2026, from http://smartdefine.org/boulangerite/definitions/1981847 |
| Chicago | Webster's. 2011. "Boulangerite" http://smartdefine.org/boulangerite/definitions/1981847 (accessed September 24, 2026). |
| Harvard | Webster's 2011, Boulangerite, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/boulangerite/definitions/1981847>. |
| MLA | Webster's. "Boulangerite" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/boulangerite/definitions/1981847> |