Bornite

[bɒ:nait]

解釋/意思:

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

贝拉編輯--From WordNet

解釋/意思:

(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.

校對:索尼亚