Manganilvaite
Zotov N, Kockelmann W, Jacobsen S D, Mitov I, Paneva D, Vassileva R D, Bonev I K
The Canadian Mineralogist 43 (2005) 1043-1053
Structure and cation order in manganilvaite:
a combined X-ray-diffraction, neutron-diffraction and mossbauer study
Sample: Ossikovo Pb-Zn skarn, Rhodope Mountains, Bulgaria
Sample: powder X-ray + neutron analysis
_database_code_amcsd 0006024
13.0250 8.8514 5.8486 90 90.167 90 P2_1/a
atom        x     y     z  occ   Uiso
Ca      .8150 .3729 .7630 .903  .0054
Mn      .8150 .3729 .7630 .097  .0054
Fe2+M11 .8912 .0504 .0072  .83  .0049
Fe3+M11 .8912 .0504 .0072  .17  .0049
Fe2+M12 .8886 .0501 .4953  .17  .0049
Fe3+M12 .8886 .0501 .4953  .83  .0049
MnM2    .9421 .7395 .2561 .503  .0049
Fe2+M2  .9421 .7395 .2561 .497  .0049
Si1     .9587 .3693 .2599       .0037
Si2     .6820 .2262 .2439       .0037
O1      .0100 .0270 .7378      .00027
O21     .9376 .2731 .0140      .00027
O22     .9340 .2722 .4799      .00027
O3      .7764 .1071 .2598      .00027
O41     .6762 .3330 .0208      .00027
O42     .6678 .3258 .4842      .00027
O5      .5836 .1018 .2616      .00027
O6      .6028 .0215 .7605      .00027
O7      .7973 .1120 .7422      .00027
H       .7285 .0644 .7549       .0205