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: single crystal X-ray analysis
_database_code_amcsd 0006025
13.015 8.8430 5.8396 90 90.11 90 P2_1/a
atom         x      y      z occ   Uiso
Ca      .81298 .36996 .75154      .0075
Fe2+M11 .89021 .04995 .00689 .83 .00734
Fe3+M11 .89021 .04995 .00689 .17 .00734
Fe2+M12 .89018 .05095 .49337 .17 .00704
Fe3+M12 .89018 .05095 .49337 .83 .00704
MnM2    .93987 .73906 .24925 .56 .00738
Fe2+M2  .93987 .73906 .24925 .44 .00738
Si1     .95890 .36741  .2495      .0050
Si2     .67971 .22663  .2511      .0052
O1       .0092  .0264  .7443      .0102
O21      .9366  .2717  .0158      .0078
O22      .9361  .2716  .4844      .0079
O3       .7767  .1081  .2526      .0077
O41      .6715  .3282  .0185      .0079
O42      .6713  .3303  .4821      .0074
O5       .5845  .1018  .2515      .0068
O6       .6033  .0224  .7513      .0107
O7       .7978  .1103  .7474      .0076
H         .733   .094   .743       .006