from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sulfosalt mineral, a sulfantimonite of lead and copper.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral of a steel-gray to black color and metallic luster, occurring crystallized, often in twin crystals shaped like cogwheels (wheel ore), also massive. It is a sulphide of antimony, lead, and copper.
from The Century Dictionary and Cyclopedia
- n. A sulphid of antimony, lead, and copper, of a steel-gray color and brilliant metallic luster, found in the Harz mountains, Cornwall, and Mexico.
Bournon + -ite after French crystallographer and mineralogist Jacques Louis de Bournon (1751–1825). (Wiktionary)