Ludwigite
Irwin M B, Peterson R C
The Canadian Mineralogist 37 (1999) 939-943
The crystal structure of ludwigite
Locality: Crestmore quarry, California, USA
_database_code_amcsd 0005628
9.2411 12.2948 3.0213 90 90 90 Pbam
atom     x     y  z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg1      0     0  0  .99 .0057  .0053  .0054  .0065 -.0008      0      0
Fe1      0     0  0  .01 .0057  .0053  .0054  .0065 -.0008      0      0
Mg2     .5     0 .5 .443 .0070  .0095  .0043  .0065 -.0004      0      0
Fe2     .5     0 .5 .557 .0070  .0095  .0043  .0065 -.0004      0      0
Mg3  .0023 .2798  0  .99 .0052  .0057  .0040  .0058  .0005      0      0
Fe3  .0023 .2798  0  .01 .0052  .0057  .0040  .0058  .0005      0      0
Al4  .2399 .1145 .5  .08 .0049  .0048  .0050  .0049 -.0010      0      0
Fe4  .2399 .1145 .5  .92 .0049  .0048  .0050  .0049 -.0010      0      0
B    .2743 .3600 .5      .0056  .0062  .0049  .0057  .0006      0      0
O1   .8502 .0434 .5      .0069  .0063  .0054  .0090 -.0007      0      0
O2   .3841 .0772  0      .0072  .0067  .0057  .0095  .0006      0      0
O3   .6253 .1424 .5      .0072  .0060  .0064  .0091  .0003      0      0
O4   .1092 .1424  0      .0064  .0063  .0053  .0077  .0001      0      0
O5   .8508 .2373 .5      .0075  .0081  .0048  .0088  .0004      0      0