Ludwigite
Brovkin A A, Rozhdestvenskaya I V, Rykova E A
Crystallography Reports 47 (2002) 412-414
Cation distribution in the structure of titanium-containing ludwigite
Note: to be the mineral azoproite, Ti+Mg must be greater than Fe3+ in M4 site
Note: Uiso values have been divided by 100
Locality: Tazheran massif
_database_code_amcsd 0018467
9.260 12.294 3.0236 90 90 90 Pbam
atom        x      y  z  occ   Uiso
MgM1        0      0 .5       .0062
MgM2    .0012 .28057 .5       .0057
Fe2+M3     .5      0  0 .324  .0041
MgM3       .5      0  0 .676  .0041
Fe3+M4 .23823 .11540  0  .47 .00676
Ti4+M4 .23823 .11540  0  .21 .00676
MgM4   .23823 .11540  0  .15 .00676
AlM4   .23823 .11540  0  .10 .00676
Fe2+M4 .23823 .11540  0  .07 .00676
B       .2746  .3602  0       .0059
O1      .3499  .4571  0       .0065
O2      .1095  .1429 .5       .0084
O3      .1244  .3581  0       .0072
O4      .3838  .0762 .5       .0095
O5      .3497  .2624  0       .0069