单词 | bornite |
释义 | bornite/ˈbɔːnʌɪt![]() noun [mass noun] A brittle reddish-brown crystalline mineral with an iridescent purple tarnish, consisting of a sulphide of copper and iron.When it rises through fractures in the surrounding solid rocks, these metals are precipitated, normally as the minerals chalcopyrite, bornite, and molybdenite....
OriginEarly 19th century: from the name of Ignatius von Born (1742–91), Austrian mineralogist, + -ite1. |
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