Any gold ore that has a high copper content and therefore needs special processing before the normal cyanide process.

plural of gold-copper ore

BaCuSi₂O₆, the pigment Chinese purple / Han purple; BaO·CuO·(SiO₂)₂

BaCuSi₄O₁₀, the pigment Chinese blue / Han blue; BaO·CuO·(SiO₂)₄

(inorganic chemistry) CaCuSi₄O₁₀, the pigment Egyptian blue; CaO·CuO·(SiO₂)₄

a family of artificial pigments / artificial jade, a barium glass

(inorganic chemistry) The chemical compound CuO.

(inorganic chemistry) An inorganic compound with the formula CuCl₂.

Alternative spelling of copper(II) sulfate

(inorganic chemistry) The inorganic compound, CuSO₄, which forms blue crystals and is used in agriculture, dyeing, electroplating and many other applications.