Alleghanyite
Francis C A
American Mineralogist 70 (1985) 182-185
Crystal structure refinement of magnesian alleghanyite
Locality: Sterling mine, Ogdensburg, New Jersey, USA
_database_code_amcsd 0000968
4.815 10.574 8.083 108.74 90 90 P2_1/b
atom     x     y     z  occ Biso
MgM1    .5     0    .5 .135  .39
MnM1    .5     0    .5 .865  .39
MgM2 .0107 .1718 .3073 .098  .33
MnM2 .0107 .1718 .3073 .902  .33
MgM3 .4897 .8841 .0760 .808  .34
MnM3 .4897 .8841 .0760 .100  .34
ZnM3 .4897 .8841 .0760 .092  .34
Si   .0757 .1445 .7090       .27
O1   .7822 .9946 .2906       .50
O2   .7186 .2446 .1245       .55
O3   .2135 .1698 .5374       .57
O4   .2632 .8550 .2890       .55
OH   .2614 .0527 .0919  .53  .61
F    .2614 .0527 .0919  .47  .61