The word(s) "copper" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) And (We made) the wind (subservient) to Sulaiman, which made a month's journey in the morning and a month's journey in the evening, and We made a fountain of molten copper to flow out for him, and of the jinn there were those who worked before him by the command of his Lord; and whoever turned aside from Our command from among them, We made him taste of the punishment of burning.

(2) On the day when the heaven shall be as molten copper