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: A10 - FE129 N.1
_database_code_amcsd 0005495
9.839 17.963 5.291 90 105.17 90 C2/m
atom      x     y     z  occ Biso
SiT1  .2807 .0855 .3023  .77  .43
AlT1  .2807 .0855 .3023  .23  .43
SiT2  .2914 .1733 .8135       .49
MgM1      0 .0894    .5  .87  .53
FeM1      0 .0894    .5  .13  .53
AlM2      0 .1764     0  .40  .50
TiM2      0 .1764     0  .01  .50
FeM2      0 .1764     0  .11  .50
MgM2      0 .1764     0  .48  .50
MgM3      0     0     0  .71  .51
FeM3      0     0     0  .16  .51
AlM3      0     0     0  .13  .51
FeM4      0 .2803    .5  .05  .65
CaM4      0 .2803    .5  .44  .65
NaM4      0 .2803    .5  .01  .65
CaM4'     0 .2599    .5  .05  .80
NaM4'     0 .2599    .5  .44  .80
FeM4'     0 .2599    .5  .01  .80
NaAm  .0221    .5 .0585 .071 2.54
KAm   .0221    .5 .0585 .002 2.54
NaA2      0 .4730     0 .324 2.65
KA2       0 .4730     0 .007 2.65
H     .1922     0 .7658       .50
O1    .1064 .0884 .2146       .89
O2    .1198 .1740 .7350       .70
Oh3   .1086     0 .7169       .80
O4    .3684 .2505 .7885       .94
O5    .3508 .1413 .1137       .90
O6    .3435 .1161 .6112      1.05
O7    .3397     0 .2714      1.13