Arakiite
Cooper M A, Hawthorne F C
The Canadian Mineralogist 37 (1999) 1471-1482
The effect of differences in coordination on ordering of
polyvalent cations in close-packed structures: The crystal
structure of arakiite and comparison with hematolite
_database_code_amcsd 0005637
14.236 8.206 24.225 90 93.52 90 Cc
atom     x     y     z occ  Uiso
Zn1      0 .2434     0 .71 .0085
Mn1      0 .2434     0 .29 .0085
Mn1  .9137 .3711 .1297     .0118
Mn2  .6836 .3897 .1281     .0130
Mn3  .7871 .0312 .1292     .0119
Fe4  .1305 .2662 .1285     .0088
Mn5  .9895 .0026 .2297     .0091
Mn6  .3438 .1696 .2306     .0099
Mn7  .5830 .1177 .2298     .0103
Mn8  .4816 .2613 .3404 .80 .0102
Mg8  .4816 .2613 .3404 .20 .0102
Mn9  .8486 .4737 .4292 .10 .0125
Mg9  .8486 .4737 .4292 .90 .0125
Mn10 .9217 .1147 .4294 .13 .0133
Mg10 .9217 .1147 .4294 .87 .0133
Mn11 .0607 .4054 .4311 .31 .0079
Mg11 .0607 .4054 .4311 .69 .0079
Mn12 .2802 .3292 .4316 .28 .0088
Mg12 .2802 .3292 .4316 .72 .0088
Mn13 .1305 .0383 .4278 .15 .0073
Mg13 .1305 .0383 .4278 .85 .0073
Fe14 .7047 .1859 .4307 .26 .0095
Al14 .7047 .1859 .4307 .74 .0095
As1  .1464 .2624 .3084     .0077
As2  .8051 .2639 .2282     .0094
As3  .4595 .2639 .1091     .0075
O1    .887  .156 .1893     .0125
O2    .705  .190 .1884     .0116
O3    .812  .444 .1889     .0156
O4    .035  .216 .2866     .0171
O5    .173  .453 .2865     .0162
O6    .225  .126 .2854     .0147
O7    .154  .259 .3803     .0095
O8    .408  .092 .0848     .0152
O9    .569  .277 .0863     .0145
O10   .466  .261 .1791     .0124
O11   .395  .426 .0853     .0150
OH1   .009  .219 .0823     .0066
OH2   .626  .318 .4772     .0107
OH3   .397  .415 .4792     .0123
OH4   .466  .029 .4803     .0163
OH5   .107  .065 .1778     .0115
OH6   .048  .396 .1783     .0154
OH7   .245  .322 .1788     .0110
OH8   .158  .457 .0829     .0115
OH9   .204  .112 .0821     .0127
OH10  .723  .385 .3881     .0145
OH11  .790  .054 .3890     .0144
OH12  .594  .116 .3836     .0133
OH13  .821  .255 .4722     .0143
OH14  .186  .486 .4726     .0122
OH15  .362  .181 .3827     .0128
OH16  .938  .330 .3882     .0079
OH17  .256  .111 .4714     .0173
OH18  .044  .184 .4714     .0093
OH19  .508  .490 .3798     .0136
OH20  .462  .070 .2781     .0129
OH21  .386  .382 .2778     .0118
OH22  .583  .337 .2773     .0150
OH23  .793  .262 .0860     .0095