Synonym. - Cuprum Carbonicum.

Present name. - Hydrated-dibasic Cupric Carbonate CuO, 2H1O,CuCo3.

Obtained by precipitating a solution of Sulphate of Copper with a solution of Carbonate of Soda. It has the same composition as Malachite.

This preparation has been admitted into Jahr's and Gruner's Pharmacopoeias, but no proving is referred to.

Preparation. - Trituration.