Cr₂(CO₃)₃, or chromium(III) carbonate, is a chemical compound consisting of chromium and carbonate ions. It typically appears as a greenish solid and is used in various applications, including as a pigment and in some chemical syntheses. Chromium(III) compounds are generally less toxic than their hexavalent counterparts and are often utilized in industrial processes. In terms of structure, it consists of two chromium ions bonded to three carbonate groups.