Pargasite
Sharma A, Jenkins D M
American Mineralogist 84 (1999) 1304-1318
Hydrothermal synthesis of amphiboles along the tremolite-pargasite join
and in the ternary system tremolite-pargasite-cummingtonite
Sample: PARG 19-11
_database_code_amcsd 0002276
9.9022 17.9747 5.2750 90 105.384 90 C2/m
atom     x     y     z occ Biso
O1   .1132 .0871 .2258       .8
O2   .1142 .1712 .7248       .8
O3   .1072     0 .7126       .8
O4   .3609 .2489 .7814       .8
O5   .3496 .1404 .1174      1.1
O6   .3388 .1126 .6147      1.1
O7   .3445     0 .2804      1.2
Si1  .2830 .0849 .3052 .81   .4
Al1  .2830 .0849 .3052 .19   .4
Si2  .2882 .1715 .8081 .81   .4
Al2  .2882 .1715 .8081 .19   .4
Mg1      0 .0884    .5 .85   .6
Al1      0 .0884    .5 .15   .6
Mg2      0 .1765    .5 .85   .6
Al2      0 .1765    .5 .15   .6
Mg3      0     0     0 .85   .6
Al3      0     0     0 .15   .6
Ca4      0 .2799    .5 .85   .9
Mg4      0 .2799    .5 .15   .9
NaA      0    .5     0      2.3