Pargasite
Hawthorne F C, Oberti R, Sardone N
The Canadian Mineralogist 34 (1996) 577-593
Sodium at the A site in clinoamphiboles: the effects of composition
on patterns of order
Sample: A11 - FE229 N.18
_database_code_amcsd 0005496
9.854 17.931 5.282 90 105.33 90 C2/m
atom      x     y     z  occ Biso
SiT1  .2808 .0854 .3031  .76  .43
AlT1  .2808 .0854 .3031  .24  .43
SiT2  .2911 .1734 .8139       .46
MgM1      0 .0894    .5  .92  .50
FeM1      0 .0894    .5  .08  .50
AlM2      0 .1762     0  .31  .47
TiM2      0 .1762     0  .01  .47
CrM2      0 .1762     0  .02  .47
FeM2      0 .1762     0  .04  .47
MgM2      0 .1762     0  .62  .47
MgM3      0     0     0  .61  .46
FeM3      0     0     0  .07  .46
AlM3      0     0     0  .32  .46
FeM4      0 .2801    .5  .05  .61
CaM4      0 .2801    .5  .45  .61
NaM4      0 .2801    .5  .01  .61
FeM4'     0 .2594    .5  .04  .74
CaM4'     0 .2594    .5  .44  .74
NaM4'     0 .2594    .5  .01  .74
NaAm  .0168    .5 .0413 .171 4.37
KAm   .0168    .5 .0413 .002 4.37
NaA2      0 .4703     0 .281 2.09
KA2       0 .4703     0 .003 2.09
H     .1900     0 .7689  .98 1.79
O1    .1062 .0873 .2148       .89
O2    .1197 .1736 .7344       .67
Oh3   .1074     0 .7195  .98  .82
F3    .1074     0 .7195  .02  .82
O4    .3677 .2505 .7870       .88
O5    .3507 .1419 .1153       .85
O6    .3434 .1150 .6148      1.02
O7    .3413     0 .2686      1.04