Bornite

[bɒ:nait]

解释:

(noun.) a mineral consisting of sulfides of copper and iron that is found in copper deposits.

贝拉编辑--From WordNet

解释:

(n.) A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.

校对:索尼亚