Kalsilite
Gatta G D, Angel R J, Carpenter M A
American Mineralogist 95 (2010) 1027-1034
Low-temperature behavior of natural kalsilite with P31c symmetry:
An in situ single-crystal X-ray diffraction study
Locality: a granulite facies gneiss from the Punalur district in Kerala, India
T = 275 K
_database_code_amcsd 0005059
5.1652 5.1652 8.7326 90 90 120 P31c
atom     x     y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K        0     0  .2532 .986 .0184  .0175  .0175  .0202  .0088      0      0
AlT1   1/3   2/3  .0620      .0119  .0110  .0110  .0137  .0055      0      0
SiT2   1/3   2/3 .44378      .0082  .0080  .0080  .0086  .0040      0      0
O1     1/3   2/3  .2591      .0295  .0386  .0386  .0115  .0193      0      0
O2   .6173 .0138 1.0036      .0184  .0087  .0131  .0287  .0018  .0001  .0036