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
Fs85Wo15
_database_code_amcsd 0000460
9.779 9.088 5.258 90 107.39 90 P2_1/c
atom     x     y     z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
SiA  .0461 .3387 .2569      .0012  .0028  .0083  .0003  .0009 -.0008
SiB  .5455 .8373 .2436      .0021  .0014  .0078 -.0007  .0020 -.0007
Fe1  .2512 .6543 .2454      .0018  .0022  .0067  .0002  .0012  .0002
Fe2  .2534 .0182 .2443  .7  .0020  .0082  .0079 -.0001 -.0001  .0007
Ca2  .2534 .0182 .2443  .3  .0020  .0082  .0079 -.0001 -.0001  .0007
O1a  .8729 .3407 .1601      .0013  .0021  .0048  .0000 -.0008  .0002
O2a  .1182 .4948 .3423      .0055  .0041  .0232  .0001  .0076 -.0005
O3a  .1002 .2299 .5172      .0006  .0106  .0193  .0012  .0001  .0105
O1b  .3719 .8360 .1499      .0023  .0035  .0103  .0000  .0026 -.0010
O2b  .6280 .9873 .3656      .0017  .0017  .0192 -.0019  .0027 -.0035
O3b  .6038 .7192 .4983      .0026  .0056  .0098 -.0007  .0041  .0015