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 = 200 K _database_code_amcsd 0005054 5.1588 5.1588 8.7383 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 .2526 .987 .0142 .0136 .0136 .0152 .00682 0 0 AlT1 1/3 2/3 .0619 .0093 .0080 .0080 .0119 .0040 0 0 SiT2 1/3 2/3 .44383 .0071 .0071 .0071 .0071 .0036 0 0 O1 1/3 2/3 .2590 .0248 .0320 .0320 .0103 .0160 0 0 O2 .6196 .0146 1.0042 .0148 .0073 .0101 .0234 .0018 .0016 .0028