Ferroglaucophane
Hawthorne F C
The Canadian Mineralogist 17 (1979) 1-10
The crystal chemistry of the amphiboles. X. Refinement of the crystal
structure of ferroglaucophane and an ideal polyhedral model for
clinoamphiboles
_database_code_amcsd 0005158
9.587 17.832 5.315 90 103.47 90 C2/m
atom      x      y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
O1    .1089  .0947 .2016       .0017  .0006  .0055 -.0001  .0001  .0001
O2    .1178  .1730 .7478       .0018  .0005  .0043 -.0001  .0006 -.0000
O3    .1129      0 .7077       .0028  .0007  .0070      0  .0010      0
O4    .3695  .2520 .8064       .0025  .0005  .0058 -.0002  .0013 -.0001
O5    .3550  .1307 .0884       .0019  .0007  .0058 -.0002  .0008  .0007
O6    .3398  .1224 .5793       .0022  .0008  .0047  .0001  .0005 -.0006
O7    .3288      0 .3022       .0030  .0004  .0090      0  .0006      0
SiT1  .2824 .08732 .2922  .99  .0017  .0003  .0031  .0000  .0004  .0000
AlT1  .2824 .08732 .2922  .01  .0017  .0003  .0031  .0000  .0004  .0000
SiT2  .2926 .17268 .8079  .99  .0016  .0003  .0032 -.0001  .0004 -.0000
AlT2  .2926 .17268 .8079  .01  .0016  .0003  .0032 -.0001  .0004 -.0000
FeM1      0 .09176    .5 .585  .0023  .0004  .0041      0  .0009      0
MgM1      0 .09176    .5 .348  .0023  .0004  .0041      0  .0009      0
AlM1      0 .09176    .5 .067  .0023  .0004  .0041      0  .0009      0
FeM2      0 .18168     0 .156  .0019  .0004  .0050      0  .0006      0
AlM2      0 .18168     0 .844  .0019  .0004  .0050      0  .0006      0
FeM3      0      0     0 .795  .0025  .0003  .0048      0  .0006      0
MgM3      0      0     0 .205  .0025  .0003  .0048      0  .0006      0
NaM4      0  .2772    .5  .86  .0049  .0008  .0122      0  .0040      0
CaM4      0  .2772    .5 .075  .0049  .0008  .0122      0  .0040      0
MgM4      0  .2772    .5 .065  .0049  .0008  .0122      0  .0040      0