Labuntsovite-Mn
Rastsvetaeva R K, Chukanov N V, Pekov I V, Shlyukova Z V, Khomyakov A P
Crystallography Reports 43 (1998) 820-827
Structures of two potassium-rich labuntsovites in relation to the crystal chemistry
of minerals of the labuntsovite-nenadkevichite family
Sample: I
_database_code_amcsd 0012358
14.42 13.91 7.8 90 116.9 90 C2/m
atom        x     y     z occ Biso
NaAI    .4084 .2640 .0051  .5  4.6
KAII    .4175     0 .7010  .9  5.6
TiMI1     .25   .25    .5  .8 2.07
NbMI1     .25   .25    .5  .2 2.07
TiMI2       0 .2257    .5  .8 1.91
NbMI2       0 .2257    .5  .2 1.91
MnMII       0     0    .5  .2  2.1
Si1     .3213 .1106 .2503     1.19
Si2     .2074 .1096 .8011     1.16
O1      .0834 .1220 .6799      1.7
O2      .2735 .1805 .7365      1.5
O3      .2648 .1279 .3837      1.6
O4      .3643     0 .2775      1.7
O5      .2404     0 .7757      1.7
O6      .4214 .1782 .3052      1.8
O7      .2371 .1262 .0262      1.9
OH      .0999 .2252 .3958      1.7
KAIII   .0862     0 .3396  .8  3.3
WatAIII .0862     0 .3396  .2  3.3
Ow1        .5 .1445     0      9.5
Ow2         0 .1239     0      9.6
H1       .481  .118   .89        1
H2       .049  .133   .10        5