(Min.) A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of brass on reduction.
aurichalcite
aurichalcite
[‚ȯr·ə′kal‚sīt] (mineralogy) (Zn,Cu)5(CO3)2(OH)6 Pale-green or pale-blue mineral consisting of a basic copper zinc carbonate and occurring in crystalline incrustations. Also known as brass ore.