Arfvedsonite
Hawthorne F C
The Canadian Mineralogist 14 (1976) 346-356
The crystal chemistry of the amphiboles: V. The structure and
chemistry of arfvedsonite
_database_code_amcsd 0005126
10.007 18.077 5.332 90 104.101 90 C2/m
atom      x     y     z  occ Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
SiT1 .2738 .08618 .2917  .96      .00145 .00035 .00374 -.00003 .00079  .00013
AlT1 .2738 .08618 .2917  .04      .00145 .00035 .00374 -.00003 .00079  .00013
SiT2 .2864 .17104 .8018           .00162 .00036 .00367 -.00010 .00079  .00000
FeM1     0 .09205    .5           .00210 .00052 .00508       0 .00128       0
FeM2     0 .18443     0 .880      .00188 .00042 .00546       0 .00088       0
AlM2     0 .18443     0 .073      .00188 .00042 .00546       0 .00088       0
TiM2     0 .18443     0 .047      .00188 .00042 .00546       0 .00088       0
FeM3     0      0     0  .76      .00231 .00042 .00501       0 .00087       0
MnM3     0      0     0  .13      .00231 .00042 .00501       0 .00087       0
MgM3     0      0     0  .11      .00231 .00042 .00501       0 .00087       0
NaM4     0  .2779    .5 .921      .00382 .00086 .01267       0 .00411       0
CaM4     0  .2779    .5 .079      .00382 .00086 .01267       0 .00411       0
NaAm .0172     .5 .0402 .293 1.28
KAm  .0172     .5 .0402 .707 1.28
O1   .1096  .0914 .2082           .00146 .00073 .00611  .00002 .00083 -.00011
O2   .1201  .1731 .7332           .00254 .00063 .00829  .00008 .00101  .00027
OH3  .1074      0 .7067           .00202 .00063 .00585       0 .00079       0
O4   .3643  .2473 .7984           .00338 .00058 .00747 -.00045 .00223 -.00016
O5   .3440  .1273 .0827           .00207 .00070 .00610 -.00003 .00208  .00077
O6   .3363  .1172 .5841           .00293 .00065 .00467  .00003 .00096 -.00078
O7   .3262      0 .2988           .00311 .00033 .01241       0 .00227       0