Derivative structures based on the alunite octahedral sheet: mitridatite and englishite
Paul B. Moore
Abstract
Paul B. Moore
Abstract
Summary It is proposed that mitridatite and englishite contain octahedral sheets of the alunite type and that their formulae are [Ca6(H2O)3(PO4)2][Fe3(OH)6(PO4)(PO3OH)]3 and [K2Na(H2O)4Ca4·5 (PO3OH)3][Al3(OH)6(PO4)(PO3OH)]3 respectively.
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Summary It is proposed that mitridatite and englishite contain octahedral sheets of the alunite type and that their formulae are [Ca6(H2O)3(PO4)2][Fe3(OH)6(PO4)(PO3OH)]3 and [K2Na(H2O)4Ca4·5 (PO3OH)3][Al3(OH)6(PO4)(PO3OH)]3 respectively.
Key concepts: Alunite, Octahedron, Derivative (finance), Crystallography, Chemistry, Mineralogy, Materials science, Geology