Richterite
Oberti R, Hawthorne F C, Ungaretti L, Cannillo E
European Journal of Mineralogy 5 (1993) 43-51
The behaviour of Mn in amphiboles: Mn in richerite
Sample: MR(3)
_database_code_amcsd 0006466
9.909 18.030 5.278 90 104.23 90 C2/m
atom       x     y     z   occ Biso
NaA2/m     0    .5     0  .138 2.84
KA2/m      0    .5     0  .048 2.84
NaAm   .0351    .5 .0856  .138 2.77
KAm    .0351    .5 .0856  .048 2.77
NaA2       0 .4666     0  .138 2.90
KA2        0 .4666     0  .048 2.90
MgM1       0 .0888    .5   .95  .52
FeM1       0 .0888    .5   .05  .52
MgM2       0 .1798     0   .69  .61
AlM2       0 .1798     0   .02  .61
MnM2       0 .1798     0   .23  .61
FeM2       0 .1798     0   .06  .61
MgM3       0     0     0   .98  .50
FeM3       0     0     0   .02  .50
NaM4       0 .2756    .5 .2025 1.14
MgM4       0 .2756    .5  .005 1.14
CaM4       0 .2756    .5   .22 1.14
MnM4       0 .2756    .5 .0725 1.14
NaM4'      0 .2558    .5 .2025  .89
MgM4'      0 .2558    .5  .005  .89
CaM4'      0 .2558    .5   .22  .89
MnM4'      0 .2558    .5 .0725  .89
SiT1   .2786 .0847 .2944   .98  .42
AlT1   .2786 .0847 .2944   .02  .42
SiT2   .2874 .1709 .8002   .98  .46
AlT2   .2874 .1709 .8002   .02  .46
H      .1836     0 .7468   .85 3.10
O1     .1115 .0858 .2171        .55
O2     .1197 .1702 .7247        .63
O3     .1071     0 .7138   .85  .69
F      .1071     0 .7138   .15  .69
O4     .3638 .2476 .7904        .96
O5     .3462 .1311 .0906        .85
O6     .3425 .1160 .5898        .85
O7     .3376     0 .2860        .94