Thortveitite
Zachariasen W
Zeitschrift fur Kristallographie 73 (1930) 1-6
The structure of thortveitite, Sc2 Si O7
_cod_database_code 1011147
_database_code_amcsd 0018032
6.56 8.58 4.74 90 103.13 90 C2/m
atom    x   y     z
Sc1     0  .3    .5
Si1  .222   0 -.064
O1      0   0     0
O2   .403   0  .233
O3    .25 .15 -.269