Sussexite
Hoffmann C, Armbruster T
Schweizerische Mineralogische und Petrographische Mitteilungen 75 (1995) 123-133
Crystal structure of a (001) twinned sussexite Mn2B2O4(OH)2 from the Kalahari
Manganese Field South Africa
Locality: Nchwaning II Mine, Kalahari Manganese Field, South Africa
_database_code_amcsd 0015408
3.287 10.718 12.866 90 94.75 90 P2_1/c
atom     x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
MnM1 .2296 .13888 .50637 .921 .0087  .0084  .0081  .0095  .0002  .0013 -.0005
MgM1 .2296 .13888 .50637 .079 .0087  .0084  .0081  .0095  .0002  .0013 -.0005
Mn2  .7154 .41978 .41041 .891 .0098  .0092  .0119  .0085 -.0006  .0015  .0003
Mg2  .7154 .41978 .41041 .109 .0098  .0092  .0119  .0085 -.0006  .0015  .0003
B1   .7548  .1672  .1410      .0071  .0083  .0067  .0064  .0025  .0015 -.0016
B2   .6263  .0476  .3073      .0151  .0116  .0228  .0117  .0012  .0050  .0011
O1   .7729  .0645  .0780      .0130  .0152  .0115  .0123 -.0020  .0015 -.0001
O2   .7608  .2873  .1044      .0140  .0154  .0122  .0146  .0019  .0035  .0014
O3   .7186  .1522  .2485      .0174  .0274  .0140  .0112 -.0033  .0032 -.0005
O4   .6026  .4523  .2429      .0172  .0258  .0154  .0100  .0039 -.0006 -.0037
O5   .7236  .0438  .4129      .0139  .0152  .0142  .0124  .0021  .0019  .0013
O6   .2099  .2932  .4035      .0130  .0149  .0127  .0114 -.0026  .0008  .0024
H4    .330  .6156  .8025        .05
H6    .815  .7537  .1644        .05