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 = 250 K
_database_code_amcsd 0005053
5.1627 5.1627 8.7352 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  .2536 .982 .0168  .0161  .0161  .0183 .00804      0      0
AlT1   1/3   2/3  .0622      .0112  .0109  .0109  .0119  .0054      0      0
SiT2   1/3   2/3 .44419      .0078  .0073  .0073  .0089  .0036      0      0
O1     1/3   2/3  .2595      .0277  .0359  .0359  .0113  .0179      0      0
O2   .6179 .0141 1.0041      .0175  .0086  .0117  .0279  .0019  .0016  .0034