Shibkovite
Sokolova E V, Rybakov V B, Pautov L A
Doklady Akademii Nauk SSSR 369 (1999) 378-380
Crystal structure of shibkovite
_database_code_amcsd 0012494
10.502 10.502 14.184 90 90 120 P6/mcc
atom     x     y     z occ Biso
CaA    1/3   2/3   .25 .63  .81
MnA    1/3   2/3   .25  .2  .81
NaA    1/3   2/3   .25 .17  .81
KB     1/3   2/3     0 .63 1.39
KC       0     0   .25     1.17
ZnT2     0    .5   .25      .79
SiT1 .0980 .3358 .1121      .40
O1   .1098 .3676     0      1.2
O2   .2045 .2707 .1393     1.06
O3   .1403 .4831 .1674      .81