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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 bournonite
 車輪礦

From: Webster's Revised Unabridged Dictionary (1913)

 Bour·non·ite 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.
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