AM_Hodgkinsonite_1 Formula: Mn Zn2 Si O6 H2 Name: Hodgkinsonite Unit cell: 11.71 5.34 8.13 90.0 95.58 90.0 , V=505.97 Space group: P121/C1 (14)

Solov eva L P , Belov N V , Soviet Physics Doklady , 8 (1963) p.867-870, Crystal structure of hodgkinsonite Zn2Mn[SiO4](OH)2, Locality: Franklin, New Jersey