Kanoite
Arlt T, Angel R J, Miletich R, Armbruster T, Peters T
American Mineralogist 83 (1998) 1176-1181
High-pressure P2_1/c-C2/c phase transitions in clinopyroxenes:
Influence of cation size and electronic structure
Sample at P = 5.2 GPa
_database_code_amcsd 0002050
9.4199 8.7830 5.0201 90 103.050 90 C2/c
atom     x     y     z  occ Biso
Mg1      0 .9064   .25 .836 1.09
Mn1      0 .9064   .25 .164 1.09
Mn2      0 .2812   .25 .264  .85
Mg2      0 .2812   .25 .736  .85
Si   .2945 .0910 .2187       .87
O1   .1225 .0881 .1409      1.01
O2   .3758 .2427 .3615       .97
O3   .3488 .0514 .9339      1.15