annabergite


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annabergite

[′a·nə‚bər‚gīt]
(mineralogy)
(Ni,Co)3(AsO4)2·8H2O A monoclinic mineral usually found as apple-green incrustations as an alteration product of nickel arsenides; it is isomorphous with erythrite. Also known as nickel bloom; nickel ocher.