Graftonite
Tait K T, Hawthorne F C, Wise M A
The Canadian Mineralogist 51 (2013) 653-662
The crystal chemistry of the graftonite-beusite minerals
Notes: Sample B6
Locality: Mwami district, Hurungwe, Zimbabwe
_database_code_amcsd 0020204
8.788 11.583 6.141 90 99.30 90 P2_1/c
atom       x      y     z occ  Uiso
Ca(1)  .9476 .12126 .8341 .57 .0166
Mn(1)  .9476 .12126 .8341 .43 .0166
Fe(2)  .7144 .07933 .3270 .97 .0180
Mg(2)  .7144 .07933 .3270 .02 .0180
Zn(2)  .7144 .07933 .3270 .01 .0180
Fe(3) .36189 .19124 .1300 .62 .0116
Mn(3) .36189 .19124 .1300 .38 .0116
P(1)   .0943  .1343 .3968     .0105
P(2)   .6020  .0890 .8070     .0094
O(1)   .0795  .0698 .1771     .0167
O(2)   .4737  .1749 .8296     .0140
O(3)   .9415  .1922 .4245     .0215
O(4)   .6894  .1274 .6223     .0134
O(5)   .2159  .2300 .3832     .0186
O(6)   .7258  .0901 .0149     .0136
O(7)   .1412  .0595 .5988     .0189
O(8)   .5349 -.0344 .7629     .0122