chalcocite

Noun

 * 1)  Cuprous sulfide, Cu2S, an important ore of copper.

Translations

 * Chinese:
 * Mandarin:
 * Finnish: kuparihohde, kalkosiitti
 * German: Chalkosin
 * Greek: χαλκοσίνης
 * Japanese: 輝銅鉱
 * Spanish: calcosina