Hastingsite
Makino K, Tomita K
American Mineralogist 74 (1989) 1097-1105
Cation distribution in the octahedral sites of hornblendes
sample O-H from Obira, Japan
_database_code_amcsd 0001269
9.967 18.269 5.347 90 104.97 90 C2/m
atom     x     y     z occ Biso
Si1  .2774 .0846 .2958 .58 0.45
Al1  .2774 .0846 .2958 .42 0.45
Si2  .2915 .1717 .8089     0.52
Mg1      0 .0915    .5 .06 0.53
Fe1      0 .0915    .5 .94 0.53
Mg2      0 .1787     0 .15 0.37
Fe2      0 .1787     0 .85 0.37
Mg3      0     0     0 .13 0.38
Fe3      0     0     0 .87 0.38
Ca4      0 .2806    .5     0.91
NaAm .0365    .5 .0472 .99 1.74
NaA2     0 .4756     0 .99 1.93
O1   .1048 .0896 .2116     0.55
O2   .1227 .1763 .7297     0.76
OH3  .1235     0 .7140     1.14
O4   .3661 .2478 .7893     1.04
O5   .3442 .1363 .0991     1.05
O6   .3397 .1198 .5920     0.95
O7   .3299     0 .2928     1.10