KAlSiO4 Dollase W A, Freeborn W P American Mineralogist 62 (1977) 336-340 The structure of KAlSiO4 with P6_3mc symmetry Note: natural sample of kalsilite was mixed with powdered KCl and heated, it tranformed to this phase Locality: Larvik, Norway _database_code_amcsd 0000574 5.153 5.153 8.682 90 90 120 P6_3mc atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) K 0 0 1/4 .0193 .0193 .0045 .00965 0 0 Si 1/3 2/3 .437 .0063 .0063 .0035 .00315 0 0 Al 1/3 2/3 .056 .0110 .0110 .0031 .0055 0 0 O1 1/3 .720 .258 .333 0.9 O2 .614 .019 .993 .333 .0123 .0012 .0117 .0002 .0132 .0109