Mathiasite
Gatehouse B M, Grey I E, Smyth J R
Acta Crystallographica C39 (1983) 421-422
Structure refinement of mathiasite, (K0.62Na0.14Ba0.14Sr0.10)
[Ti12.90Cr3.10Mg1.53Fe2.15Zr0.67Ca0.29V0.36]O38
Locality: peridotite nodules, Bultfonten kimblerlite, South Africa
_database_code_amcsd 0009973
9.119 9.119 9.119 69.24 69.24 69.24 R-3
atom     x     y     z   occ Biso
KM0      0     0     0   .62 1.24
NaM0     0     0     0   .14 1.24
BaM0     0     0     0   .14 1.24
SrM0     0     0     0    .1 1.24
ZrM1    .5    .5    .5    .7  .26
CaM1    .5    .5    .5    .3  .26
MgM2 .3111 .3111 .3111   .45  .36
FeM2 .3111 .3111 .3111   .45  .36
TiM3 .3479 .1227 .0232   .15  .58
CrM3 .3479 .1227 .0232 .5167  .58
FeM3 .3479 .1227 .0232 .2167  .58
VM3  .3479 .1227 .0232 .0389  .58
NbM3 .3479 .1227 .0232 .0389  .58
MgM3 .3479 .1227 .0232 .0389  .58
TiM4 .3071 .7208 .1457        .38
TiM5 .4754 .0832 .6386        .38
MgM6 .3692 .3692 .3692    .1 2.23
O1   .3084 .6261 .3820        .52
O2   .1553 .2394 .9392        .52
O3   .9218 .4583 .2979        .52
O4   .1424 .5175 .9902        .52
O5   .3901 .4879 .1343        .37
O6   .7043 .2434 .0743        .42
O7   .2133 .2133 .2133        .45