Tassieite
Grew E S, Armbruster T, Medenbach O, Yates M G, Carson C J
The Canadian Mineralogist 45 (2007) 293-305
Tassieite, (Na,_)Ca2(Mg,Fe2+,Fe3+)2(Fe3+,Mg)2(Fe2+,Mg)2(PO4)6*2H2O, a new
hydrothermal wicksite-group mineral in fluorapatite nodules from granulite-
facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica
Locality: Larsemann Hills, Prydz Bay, East Antarctica
Sample: 1
_database_code_amcsd 0006138
12.4595 11.5955 12.7504 90 90 90 Pbca
atom       x       y      z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
Na         0     -.5     .5 .478 .05308 .03602 .06414 .05908 -.01687  .00691  .03171
Ca    .23844  .00149 .37483      .01290 .01465 .01179 .01225 -.00097  .00143 -.00160
Fe2+1 .15155 -.23132 .20766 .223 .01170 .00984 .01496 .01029 -.00062  .00064 -.00190
Fe3+1 .15155 -.23132 .20766 .092 .01170 .00984 .01496 .01029 -.00062  .00064 -.00190
Mg1   .15155 -.23132 .20766 .685 .01170 .00984 .01496 .01029 -.00062  .00064 -.00190
Fe3+2 .16782  .22709 .54179 .669 .00822 .00796 .00837 .00833 -.00014 -.00047  .00010
Mg2   .16782  .22709 .54179 .331 .00822 .00796 .00837 .00833 -.00014 -.00047  .00010
Fe2+3 .01822 -.46034 .27704 .643 .03086 .03538 .01262 .04458  .00524 -.02819 -.00448
Mg3   .01822 -.46034 .27704 .357 .03086 .03538 .01262 .04458  .00524 -.02819 -.00448
P1    .10937  .22868 .79962      .00958 .00898 .00994 .00980  .00018 -.00042 -.00047
P2    .40113  .24103 .44380      .00980 .00977 .01097 .00865 -.00072  .00089 -.00049
P3    .26529 -.02303 .62459      .01070 .01262 .00946 .01003  .00036 -.00078 -.00016
O1    .00278  .28730 .77247      .01395 .01093 .01465 .01627  .00335 -.00217 -.00122
O2    .09068  .10518 .83611      .01461 .01459 .01219 .01703 -.00080 -.00064  .00208
O3    .18127  .22479 .70143      .01318 .01074 .01769 .01110 -.00065  .00041 -.00131
O4    .16552  .30075 .88474      .01122 .01150 .01155 .01061 -.00073 -.00096 -.00277
O5    .33531  .24221 .54581      .01229 .01170 .01436 .01081  .00000  .00166  .00021
O6    .15261 -.18229 .36156      .01375 .01335 .01479 .01311 -.00068  .00001  .00058
O7    .40857  .11522 .40582      .01614 .02001 .01304 .01537 -.00250  .00380 -.00311
O8    .01239  .20647 .53392      .01455 .01201 .01530 .01634  .00240  .00079 -.00060
O9    .19080 -.41745 .20435      .01336 .01453 .01236 .01319  .00086  .00075 -.00180
O10   .14893 -.04136 .18903      .01604 .01580 .01389 .01842 -.00184  .00529  .00030
O11   .19836  .05556 .55213      .01297 .01541 .01027 .01322 -.00133 -.00203  .00075
O12   .17464  .39631 .54881      .01594 .01806 .01344 .01632  .00135 -.00533 -.00124
OW    .02662  .00935 .37877      .02144 .01964 .01669 .02799  .00114  .00374  .00363
H1     -.005   -.061   .403         .16
H2      .005    .086   .420         .08