Hematolite
Moore P B, Araki T
American Mineralogist 63 (1978) 150-159
Hematolite: A complex dense-packed sheet structure
_database_code_amcsd 0000610
8.275 8.275 36.600 90 90 120 R3
atom     x     y     z occ Biso
Mn1      0     0     0     1.64
Mn2    2/3   1/3 .2155     1.78
Mn3  .3124 .4243 .0739     1.65
Mn4  .4111 .1116 .1419     1.64
Al5  .0935 .4750 .2747 .84 1.87
Mn5  .0935 .4750 .2747 .16 1.87
Al6  .2503 .1951 .2765 .44 1.49
Mn6  .2503 .1951 .2765 .56 1.49
Al7      0     0 .0809 .58 1.46
Fe7      0     0 .0809 .42 1.46
As1      0     0 .1949     1.36
As2    1/3   2/3 .1395     1.38
As3    2/3   1/3 .0608     1.59
O1       0     0 .2422     1.24
O2     2/3   1/3 .1076      .71
O3   .0590 .2181 .1792     1.85
O4   .1390 .4986 .1134     1.43
O5   .6003 .1182 .0449     3.06
OH1    1/3   2/3 .0454     1.21
OH2    1/3   2/3 .3007     2.41
OH3  .0596 .2107 .0468     1.77
OH4  .2252 .1778 .1095     1.58
OH5  .6316 .1180 .1733     1.84
OH6  .2855 .4356 .2474     2.27
OH7  .4171 .1243 .2434     1.97
OH8  .0538 .2465 .3037     1.80
OH9  .5956 .0682 .3088     2.20