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 9-1
Locality: Synthetic
_database_code_amcsd 0005421
9.8620 18.025 5.2930 90 104.924 90 C2/m
atom     x     y     z occ Biso
SiT1 .2857 .0847 .3056 .81   .4
GaT1 .2857 .0847 .3056 .19   .4
SiT2 .2898 .1699 .8065 .95   .4
GaT2 .2898 .1699 .8065 .05   .4
MgM1     0 .0858    .5 .98   .6
MgM2     0 .1786     0 .84   .6
GaM2     0 .1786     0 .16   .6
MgM3     0     0     0 .98   .6
CaM4     0 .2784    .5 .90   .9
MgM4     0 .2784    .5 .10   .9
NaA      0    .5     0 .46  2.3
O1   .1135 .0867 .2164       .8
O2   .1102 .1735 .7288       .8
F3   .1027     0 .7125       .8
O4   .3519 .2479 .7776       .8
O5   .3516 .1370 .0886      1.0
O6   .3456 .1155 .6055      1.0
O7   .3483     0 .2935      1.2