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 20-2
_database_code_amcsd 0002277
9.8466 17.990 5.2793 90 105.099 90 C2/m
atom     x     y     z occ Biso
O1   .1131 .0866 .2156       .8
O2   .1104 .1705 .7224       .8
O3   .1080     0 .7186       .8
O4   .3561 .2478 .7820       .8
O5   .3516 .1365 .1132      1.1
O6   .3368 .1132 .6043      1.1
O7   .3435     0 .2805      1.2
Si1  .2815 .0858 .3013 .86   .4
Al1  .2815 .0858 .3013 .14   .4
Si2  .2880 .1714 .8061 .86   .4
Al2  .2880 .1714 .8061 .14   .4
Mg1      0 .0870    .5 .88   .6
Al1      0 .0870    .5 .12   .6
Mg2      0 .1763    .5 .88   .6
Al2      0 .1763    .5 .12   .6
Mg3      0     0     0 .88   .6
Al3      0     0     0 .12   .6
Ca4      0 .2776    .5 .92   .9
Mg4      0 .2776    .5 .08   .9
NaA      0    .5     0 .58  2.3