AM_Medaite Formula: Mn5.772 Ca.192 Fe.348 (V.815 As.185) Si5 O19 H Name: Medaite Unit cell: 6.712 28.948 7.578 90.0 95.4 90.0 , V=1465.86 Space group: P121/N1 (14)

Gramaccioli C M , Liborio G , Pilati T , Acta Crystallographica, Section B , 37 (1981) p.1972-1978, Structure of medaite, Mn6[VSi5O18(OH)]: The presence of a new kind of, heteropolysilicate anion, Locality: Molinello, Chavari, Liguria, Italy, Note: anisoB s from ICSD