• Copiapite

    Full definition of copiapite

    Noun

    copiapite

    (plural copiapites)
    1. (mineral) A basic ferric sulfate mineral found in oxidized iron sulfide deposits, with the chemical formula Fe2+Fe3+4(SO4)6(OH)2·20H2O.

    Further reading

    • WebMineral
    • mindat
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