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 = 200 C _database_code_amcsd 0006698 9.758 8.897 5.283 90 108.74 90 P2_1/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 .2506 .6539 .2367 .969 .48 .0063 .0064 .0057 .001 .0019 .0006 MnM1 .2506 .6539 .2367 .031 .48 .0063 .0064 .0057 .001 .0019 .0006 CaM2 .2531 .02387 .2353 .07 .95 .0128 .0126 .0093 .0017 .0014 .0010 MnM2 .2531 .02387 .2353 .790 .95 .0128 .0126 .0093 .0017 .0014 .0010 MgM2 .2531 .02387 .2353 .140 .95 .0128 .0126 .0093 .0017 .0014 .0010 SiA .0420 .3410 .2693 .56 .0059 .0073 .0080 -.0005 .0023 -.0007 SiB .5462 .8391 .2426 .58 .0070 .0078 .0079 -.0012 .0031 -.0009 O1A .8670 .3376 .1629 .69 .006 .012 .009 .000 .003 .000 O1B .3712 .8377 .1370 .72 .005 .011 .010 -.001 .002 .000 O2A .1182 .5021 .3265 .89 .012 .008 .014 -.004 .005 -.002 O2B .6239 .9942 .3571 1.13 .015 .013 .015 .004 .004 .010 O3A .1043 .2586 .5661 .99 .007 .015 .015 .004 .004 .010 O3B .6046 .7199 .4984 1.03 .011 .018 .012 .000 .006 .006