Hardystonite
Warren B, Trautz O
Zeitschrift fur Kristallographie 75 (1930) 525-528
The Structure of Hardystonite Ca2 Zn Si2 O7
_cod_database_code 1011252
_database_code_amcsd 0018114
7.846 7.846 5. 90 90 90 P-42_1m
atom   x   y    z
Ca1  .33 .17 -.49
Si1  .14 .36 -.05
Zn1    0   0    0
O1    .5   0  .19
O2   .14 .36  .26
O3   .08 .18 -.19