Verditer

meaning:-
>A pigment made by grinding a basic copper carbonate; bice: azurite yields blue verditer, malachite yields green verditer.
>Bluish-green pigment
>Either of two basic carbonates of copper, used as a blue or green pigment

  Verditer Flycatcher - female (above) and compare it with all male (below)

 Verditer Flycatcher (Eumyias thalassina)