Schorl
Bosi F, Lucchesi S
European Journal of Mineralogy 16 (2004) 335-344
Crystal chemistry of the schorl-dravite series
Note: Tourmaline TMl2al
Locality: Cruziero, Minas Gerais, Brazil
_database_code_amcsd 0007051
15.9736 15.9736 7.1644 90 90 120 R3m
atom       x       y      z  occ
NaX        0       0 .22668 .678
KX         0       0 .22668 .013
Fe2+Y .12423 .062115 .62941 .507
AlY   .12423 .062115 .62941 .418
MgY   .12423 .062115 .62941 .028
Mn2+Y .12423 .062115 .62941 .016
ZnY   .12423 .062115 .62941 .013
Ti4+Y .12423 .062115 .62941 .010
LiY   .12423 .062115 .62941 .008
AlZ   .29833  .26162 .61077 .897
MgZ   .29833  .26162 .61077 .069
Fe2+Z .29833  .26162 .61077 .019
Fe3+Z .29833  .26162 .61077 .015
SiT   .19193  .18995      0 .973
AlT   .19193  .18995      0 .027
B     .11017  .22034 .45467
OH1W       0       0 .77878 .538
O1W        0       0 .77878 .283
F1W        0       0 .77878 .178
O2    .06149  .12298 .48599
OH3V  .26753 .133765 .50982
O4    .09333  .18666 .06922
O5    .18660  .09330 .09133
O6    .19735  .18704 .77584
O7    .28527  .28559 .07921
O8    .20979  .27061 .44070