Poldervaartite
Heller L
Acta Crystallographica 5 (1952) 724-728
The structure of dicalcium silicate alpha-hydrate
Locality: synthetic Ca2SiO3OHOH
_database_code_amcsd 0009148
9.34 9.22 10.61 90 90 90 Pbca
atom    x    y    z
Ca1  .452 .640 .754
Ca2  .385 .022 .430
Si1  .754 .304 .975
O1   .439 .358 .662
O2   .595 .336 .928
O3   .809 .174 .886
O4   .865 .434 .966
O5   .739 .271 .124