Hodgkinsonite Solov'eva L P, Belov N V Soviet Physics Doklady 8 (1963) 867-870 Crystal structure of hodgkinsonite Zn2Mn[SiO4](OH)2 Locality: Franklin, New Jersey _database_code_amcsd 0015595 11.71 5.34 8.13 90 95.58 90 P2_1/c atom x y z Biso Mn .048 .250 .393 .5 ZnI .251 .561 .107 .5 ZnII .422 .934 .273 .5 Si .330 .438 .432 .5 O1 .202 .450 .332 .5 O2 .361 .142 .465 .5 O3 .308 .932 .107 .5 O4 .433 .568 .316 .5 OH5 .113 .920 .498 .5 OH6 .057 .096 .154 .5