Richterite
Oberti R, Ungaretti L, Cannillo E, Hawthorne F C
European Journal of Mineralogy 4 (1992) 425-439
The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite
Sample: R(5) Potassium-fluor-richterite
_database_code_amcsd 0006441
9.948 18.025 5.281 90 104.72 90 C2/m
atom      x     y     z   occ Biso
O1    .1112 .0862 .2203        .57
O2    .1175 .1686 .7240        .67
OH3   .1041     0 .7119  .668  .92
F     .1041     0 .7119  .332  .92
O4    .3606 .2486 .7986       1.00
O5    .3453 .1295 .0940        .87
O6    .3430 .1185 .5907        .85
O7    .3353     0 .3050        .84
NaA       0    .5     0   .09 2.30
KA        0    .5     0  .386 2.30
NaAm  .0369    .5 .0790 .0225 1.71
KAm   .0369    .5 .0790 .0965 1.71
NaA2      0 .4670     0 .0225 2.51
KA2       0 .4670     0 .0965 2.51
TiM1      0 .0836    .5 .1036  .84
FeM1      0 .0836    .5 .1166  .84
MgM1      0 .0836    .5 .7778  .84
MnM1      0 .0836    .5  .002  .84
TiM2      0 .1796     0 .1036  .61
FeM2      0 .1796     0 .1166  .61
MgM2      0 .1796     0 .7778  .61
MnM2      0 .1796     0  .002  .61
TiM3      0     0     0 .1036  .57
FeM3      0     0     0 .1166  .57
MgM3      0     0     0 .7778  .57
MnM3      0     0     0  .002  .57
CaM4      0 .2766    .5 .2415  .98
NaM4      0 .2766    .5 .2483  .98
CaM42     0 .2559    .5 .2415  .55
NaM42     0 .2559    .5 .2483  .55
SiT1  .2780 .0849 .3002 .9663  .48
AlT1  .2780 .0849 .3002   .01  .48
TiT1  .2780 .0849 .3002 .0238  .48
SiT2  .2855 .1714 .8046 .9663  .49
AlT2  .2855 .1714 .8046   .01  .49
TiT2  .2855 .1714 .8046 .0238  .49