Schorl
Bosi F, Lucchesi S
European Journal of Mineralogy 16 (2004) 335-344
Crystal chemistry of the schorl-dravite series
Note: Tourmaline TMl2ap
Locality: Cruziero, Minas Gerais, Brazil
_database_code_amcsd 0007050
15.9659 15.9659 7.1693 90 90 120 R3m
atom       x       y      z  occ
NaX        0       0  .2278 .633
KX         0       0  .2278 .013
Fe2+Y .12397 .061985 .63021 .500
AlY   .12397 .061985 .63021 .427
MgY   .12397 .061985 .63021 .047
Ti4+Y .12397 .061985 .63021 .017
LiY   .12397 .061985 .63021 .004
ZnY   .12397 .061985 .63021 .003
AlZ   .29824  .26159 .61062 .884
MgZ   .29824  .26159 .61062 .087
Fe2+Z .29824  .26159 .61062 .014
Fe3+Z .29824  .26159 .61062 .014
SiT   .19183  .18984      0 .985
AlT   .19183  .18984      0 .015
B     .11011  .22022 .45451
OH1W       0       0 .77754 .512
O1W        0       0 .77754 .311
F1W        0       0 .77754 .177
O2    .06144  .12288 .48679
OH3V  .26680  .13340 .50999
O4    .09336  .18672 .06897
O5    .18643 .093215 .09130
O6    .19705  .18667 .77613
O7    .28512  .28544 .07885
O8    .20971  .27044 .44066