Kummerite
Grey I E, Keck E, Mumme W G, Pring A, Macrae C M, Glenn A M,
Davidson C J, Shanks F L, Mills S J
Mineralogical Magazine 80 (2016) 1243-1254
Kummerite, Mn2+Fe3+Al(PO4)2(OH)2*8H2O, a new laueite-group mineral
from the Hagendorf Sud pegmatite, Bavaria, with ordering of Al and Fe3+
Locality: Hagendorf Sud pegmatite, Bavaria
_database_code_amcsd 0020869
5.3160 10.620 7.1180 107.33 111.33 72.22 P-1
atom     x      y     z  occ Uiso
Mn1      0      0     0  .37 .015
Mg1      0      0     0  .27 .015
Fe1      0      0     0  .35 .015
Zn1      0      0     0  .03 .015
Fe2      0     .5     0 .594 .012
Al2      0     .5     0 .406 .012
Fe3      0     .5    .5 .424 .013
Al3      0     .5    .5 .576 .013
P    .3445  .6688 .9256      .013
O1   .1663  .6530 .0430      .017
O2   .2989  .5752 .7096      .017
O3   .2701  .8168 .9046      .018
O4   .3438  .3684 .9523      .016
O5   .1502  .5041 .2965      .017
O6   .2329  .3127 .5431      .019
O7   .2412  .0069 .3207      .025
O8   .2268  .1099 .9442      .025
O9   .2679  .8026 .5079      .022
H5   .3350  .4810 .3220      .046
H6A  .2900  .3270 .6820      .046
H6B  .3900  .2800 .5070      .046
H7A  .2490  .0840 .4180      .046
H7B  .2090 -.0500 .3760      .046
H8A  .1180  .1920 .9510      .046
H8B  .4010  .1170 .9860      .046
H9A  .2570  .8160 .6360      .046
H9B  .1770  .7380 .4270      .046