Kanoite Arlt T, Armbruster T European Journal of Mineralogy 9 (1997) 953-964 The temperature-dependent P2_1/c - C2/c phase transition in the clinopyroxene kanoite MnMg[Si2O6]: a single-crystal X-ray and optical study T = 270 C _database_code_amcsd 0006699 9.796 8.880 5.315 90 109.26 90 C2/c atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) MgM1 0 .9041 1/4 .979 .65 .0084 .0075 .0078 0 .0017 0 MnM1 0 .9041 1/4 .021 .65 .0084 .0075 .0078 0 .0017 0 CaM2 0 .2740 1/4 .07 1.20 .0169 .0144 .0118 0 .0013 0 MnM2 0 .2740 1/4 .786 1.20 .0169 .0144 .0118 0 .0013 0 MgM2 0 .2740 1/4 .144 1.20 .0169 .0144 .0118 0 .0013 0 Si .2935 .0905 .2592 .71 .0080 .0088 .0099 -.0010 .0028 -.0008 O1 .1190 .0882 .1510 .92 .0077 .013 .014 -.0001 .0031 -.0010 O2 .3699 .2502 .3402 1.29 .017 .012 .020 -.0047 .0068 -.0031 O3 .3538 .0060 .0420 1.64 .011 .030 .020 .0003 .0031 -.015