AM_Hodgkinsonite Formula: Zn2 Mn Si O6 H2 Name: Hodgkinsonite Unit cell: 8.17 5.316 11.761 90.0 95.25 90.0 , V=508.66 Space group: P121/A1 (14)

Rentzeperis P J , Zeitschrift fur Kristallographie , 119 (1963) p.117-138, The crystal structure of hodgkinsonite Zn2Mn[(OH)2|SiO4], Locality: Franklin, New Jersey, Note: y(H2) corrected