Definition of bournonite
English to English noun - 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.
source: Webster 1913
Visual Synonyms 
Nearby Word
bournonite, bornite, bronte, bowfront, burnt, burn out, braunite, bifronted, burnet, brominate, burned, burhinidae, baronet, burundi, bromide, bromate, barmote, burnett, browned, brownout
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