noun phar·ma·co·siderite

Definition of pharmacosiderite

  1. :  a mineral Fe3(AsO4)2(OH)3.5H2O consisting of a hydrous basic iron arsenate commonly occurring in green or yellowish green cubic crystals (hardness 2.5, specific gravity 2.9–3)

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Origin and Etymology of pharmacosiderite

German pharmakosiderit, from pharmako- pharmaco- +siderit siderite

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