(Min.) A hydrous arsenate of iron occurring in green or yellowish green cubic crystals; cube ore.
pharmacosiderite
pharmacosiderite
[¦fär·mə·kō′sīd·ə‚rīt] (mineralogy) Fe3(AsO4)2(OH)3·5H2O Green or yellowish-green mineral composed of a hydrous basic iron arsenate and commonly found in cubic crystals. Also known as cube ore.