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: A12 - KP N.1
_database_code_amcsd 0005497
9.862 17.928 5.295 90 105.28 90 C2/m
atom     x     y     z  occ Biso
SiT1 .2800 .0859 .3032  .76  .49
AlT1 .2800 .0859 .3032  .24  .49
SiT2 .2907 .1737 .8147       .49
MgM1     0 .0900    .5  .84  .53
FeM1     0 .0900    .5  .16  .53
AlM2     0 .1770     0  .54  .50
FeM2     0 .1770     0  .06  .50
MgM2     0 .1770     0  .40  .50
MgM3     0     0     0  .75  .49
FeM3     0     0     0  .25  .49
CaM4     0 .2803    .5  .88  .72
NaM4     0 .2803    .5  .12  .72
NaAm .0100    .5 .0191 .124 4.16
KAm  .0100    .5 .0191 .005 4.16
NaA2     0 .4706     0 .358 2.42
KA2      0 .4706     0 .014 2.42
H    .2102     0 .7705  .98 5.80
O1   .1054 .0888 .2142       .98
O2   .1195 .1736 .7365       .76
Oh3  .1080     0 .7155  .98  .88
F3   .1080     0 .7155  .02  .88
O4   .3672 .2509 .7900       .85
O5   .3510 .1408 .1129       .91
O6   .3430 .1159 .6140      1.00
O7   .3396     0 .2725      1.11