| bornite | <chemical> A valuable ore of copper, containing copper, iron, and sulphur; also called purple copper ore (or erubescite), in allusion to the colours shown upon the slightly tarnished surface. Origin: Named after Von Born, a mineralogist. Source: Websters Dictionary (01 Mar 1998) |
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| bornite | a mineral consisting of sulfides of copper and iron that is found in copper deposits |
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