Schorl
Bosi F, Lucchesi S
European Journal of Mineralogy 16 (2004) 335-344
Crystal chemistry of the schorl-dravite series
Note: Tourmaline TM9914b
Locality: Lake Baikal, Siberia
_database_code_amcsd 0007056
15.9821 15.9821 7.2215 90 90 120 R3m
atom       x       y      z  occ
NaX        0       0 .23234 .731
CaX        0       0 .23234 .163
KX         0       0 .23234 .005
Fe2+Y .12401 .062005 .63406 .286
AlY   .12401 .062005 .63406 .277
MgY   .12401 .062005 .63406 .240
Fe3+Y .12401 .062005 .63406 .146
Ti4+Y .12401 .062005 .63406 .030
V3+Y  .12401 .062005 .63406 .015
ZnY   .12401 .062005 .63406 .003
Cr3+Y .12401 .062005 .63406 .001
Mn2+Y .12401 .062005 .63406 .001
AlZ   .29844  .26187 .61212 .814
MgZ   .29844  .26187 .61212 .168
Fe3+Z .29844  .26187 .61212 .018
SiT   .19178  .18992      0 .985
AlT   .19178  .18992      0 .015
B     .11016  .22032 .45471
OH1W       0       0 .77623 .509
O1W        0       0 .77623 .449
F1W        0       0 .77623 .042
O2    .06099  .12198 .48286
OH3V  .26648  .13324 .51198
O4    .09266  .18532 .06979
O5    .18376  .09188 .09075
O6    .19641  .18664 .77815
O7    .28456  .28446 .08000
O8    .20933  .27003 .44199