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 = 150 K
_database_code_amcsd 0005055
5.1560 5.1560 8.7450 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 .983 .0117  .0113  .0113  .0125 .00566      0      0
AlT1   1/3   2/3  .0619      .0096  .0091  .0091  .0106  .0046      0      0
SiT2   1/3   2/3 .44386      .0059  .0057  .0057  .0063  .0028      0      0
O1     1/3   2/3  .2589      .0225  .0289  .0289  .0096  .0144      0      0
O2   .6204 .0140 1.0036      .0136  .0063  .0099  .0204  .0010  .0020  .0015