Pargasite
Jenkins D M, Hawthorne F C
The Canadian Mineralogist 33 (1995) 13-24
Synthesis and rietveld refinement of amphibole along
the join Ca2Mg5Si8O22F2 - NaCa2Mg4Ga3Si6O22F2
Sample: PARG 10-1
Locality: Synthetic
_database_code_amcsd 0005420
9.8356 18.025 5.2801 90 104.793 90 C2/m
atom     x     y     z occ Biso
SiT1 .2847 .0846 .3026 .89   .4
GaT1 .2847 .0846 .3026 .11   .4
SiT2 .2893 .1709 .8044 .98   .4
GaT2 .2893 .1709 .8044 .02   .4
MgM1     0 .0871    .5       .6
MgM2     0 .1775     0 .92   .6
GaM2     0 .1775     0 .08   .6
MgM3     0     0     0       .6
CaM4     0 .2773    .5 .96   .9
MgM4     0 .2773    .5 .04   .9
NaA      0    .5     0 .27  2.3
O1   .1143 .0849 .2123       .8
O2   .1164 .1698 .7231       .8
F3   .1001     0 .7105       .8
O4   .3570 .2457 .7822       .8
O5   .3474 .1338 .0933      1.0
O6   .3451 .1166 .5963      1.0
O7   .3451     0 .2899      1.2