Copper carbonate

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Copper carbonate generally means a compound containing copper and carbonate ions. It may be any of several substances:

  • basic copper carbonate (the "copper carbonate" of commerce), actually a copper carbonate hydroxide; which may be either
  • Cu
    2
    CO
    3
    (OH)2: the green mineral malachite, and the pigment "verditer" or "mountain green"
  • Cu
    3
    (CO
    3
    )2(OH)2: the blue mineral azurite, and the pigment "blue verditer" or "mountain blue"
or a mixture of the two.
  • copper(II) carbonate proper, CuCO
    3
    (neutral copper carbonate): a rarely seen moisture-sensitive compound.