Pargasite
Makino K, Tomita K
American Mineralogist 74 (1989) 1097-1105
Cation distribution in the octahedral sites of hornblendes
sample I-P from Iratsu, Japan
_database_code_amcsd 0001267
9.805 17.96 5.302 90 104.93 90 C2/m
atom     x     y     z  occ Biso
Si1  .2809 .0858 .3014  .57 0.48
Al1  .2809 .0858 .3014  .43 0.48
Si2  .2919 .1731 .8133  .98 0.48
Al2  .2919 .1731 .8133  .02 0.48
Mg1      0 .0886    .5 .615 0.78
Fe1      0 .0886    .5 .385 0.78
Mg2      0 .1772     0 .816 0.49
Fe2      0 .1772     0 .184 0.49
Mg3      0     0     0 .481 0.62
Fe3      0     0     0 .519 0.62
Ca4      0 .2789    .5 .851 0.80
Na4      0 .2789    .5 .092 0.80
Fe4      0 .2789    .5 .057 0.80
NaAm .0474    .5 .1014  .80 2.70
NaA2     0 .4774     0  .80 2.16
O1   .1070 .0896 .2145      0.95
O2   .1204 .1742 .7366      0.77
OH3  .1101     0 .7140      0.86
O4   .3684 .2501 .7895      0.92
O5   .3500 .1404 .1084      0.88
O6   .3427 .1181 .6072      1.01
O7   .3380     0 .2765      1.23