… Copper ores and concentrates. …
Explanatory notes
… 26.03 ‑ C opper ores and concentrates. The principal ores generally … (b) Azurite , basic copper carbonate. (c) Bornite (or erubescite), sulphide of copper and iron. (d) Bournonite , … Chalcocite , copper sulphide. (g) Chalcopyrite (copper pyrites), sulphide of copper and iron. (h) Chrysocolla , …