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bournonite |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Bournonite \Bour"non*ite\, n. [Named after Count Bournon, a mineralogist.] (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.
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