The Gallery of Minerals With Pictures and Descriptions.
The chemical formula is Cu 3 [OH CO 3] 2 and results from the oxidation of copper sulfides. Malachite is a copper carbonate with a chemical formula of Cu 2 [(OH) 2 CO 3]. It is a vibrant green color often banded with light and dark greens. Calcite Calcite is a very common sedimentary mineral. It has the chemical formula CaCO 3 calcium carbonate ...