Clinoferrosilite
Ohashi Y, Burnham C W, Finger L W
American Mineralogist 60 (1975) 423-434
The effect of Ca-Fe substitution on the clinopyroxene crystal structure
Fs80Wo20
_database_code_amcsd 0000459
9.760 9.057 5.234 90 106.3 90 C2/c
atom     x     y     z occ Biso B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1      0 .9050   .25      .64 .00100 .00154 .01059       0  .00111       0
Fe2      0 .2751   .25  .6 1.78 .00326 .01051 .01000       0  .00388       0
Ca       0 .2751   .25  .4 1.78 .00326 .01051 .01000       0  .00388       0
Si   .2937 .0891 .2440      .65 .00065 .00166 .01088  .00021  .00049 -.00090
O1   .1214 .0893 .1535      .78 .00056 .00237 .01167 -.00035  .00172 -.00023
O2   .3712 .2417 .3480     1.53 .00180 .00251 .02750  .00086 -.00033 -.00482
O3   .3517 .0261 -.002     1.14 .00123 .00561 .01095 -.00126  .00084 -.00317