brochantite
Broch"an*tite, n. Etym: [From Brochant de Villiers, a French mineralogist.] (Min.) Defn: A basic sulphate of copper, occurring in emerald-green crystals.
Broch"an*tite, n. Etym: [From Brochant de Villiers, a French mineralogist.] (Min.) Defn: A basic sulphate of copper, occurring in emerald-green crystals.