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. Wheel-ore is a variety which owes its name to the form of the twin crystals, resembling a cog-wheel. Also called
GNU Webster's 1913
- n. (Min.) 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.
- Bournon + -ite after French crystallographer and mineralogist Jacques Louis de Bournon (1751–1825). (Wiktionary)
“Also related: this MathTrek article, Riding on square wheels, showing another nice example of unusual gearing, Stan Wagon's square-wheeled tricycle; and bournonite (aka cogwheel ore).”
“Jamesonite, bournonite, and tetrahedrite (sulphantimonides of lead and copper), when found in lead-silver deposits, are to some extent”
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List of minerals, elements, group names and geochemistry terms encountered in the science of mineralogy. I've chosen to avoid capital letters in most examples, though a great many mineral names hon...
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