American Mineralogist Crystal Structure Database

1 matching records for this search.

Hellandite-(Y)
Download hom/hellanditey.pdf
Mellini M, Merlino S
Download am/vol62/AM62_89.pdf
American Mineralogist 62 (1977) 89-99
Hellandite: a new type of silicoborate chain
18.990 4.715 10.300 90 111.4 90 P2/a
atom      x       y      z  occ Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Al1       0       0      0 .550      .00089 .01771 .00325 -.00017 .00090  .00002
Fe1       0       0      0 .450      .00089 .01771 .00325 -.00017 .00090  .00002
Y2   .04179  .01879 .35996 .870      .00063 .01333 .00239 -.00032 .00075 -.00033
Ca3  .24771  .00225 .65957 .752      .00065 .01238 .00230  .00008 .00064 -.00007
Y3   .24771  .00225 .65957 .108      .00065 .01238 .00230  .00008 .00064 -.00007
Ca4  .15428 -.03944 .92862 .556      .00049 .01466 .00329  .00044 .00089  .00109
Y4   .15428 -.03944 .92862 .333      .00049 .01466 .00329  .00044 .00089  .00109
Si1  .09990  .48510 .64680           .00079 .01387 .00336  .00021 .00098  .00053
Si2  .11120  .49660 .16160           .00081 .01727 .00382  .00043 .00093  .00093
B1   .17080  .53440 .45100      0.25
B2   .25440  .45270 .13750      0.18
H    .04700  .04000 .92000      4.00
O1   .04080  .24360 .56350           .00107 .01531 .00310 -.00033 .00060 -.00251
O2   .17570  .31270 .75560           .00075 .01770 .00453  .00051 .00030 -.00042
O3   .06980 -.30030 .73570           .00094 .02167 .00461  .00124 .00093 -.00157
O4   .13120 -.32680 .54040           .00129 .01478 .00452  .00011 .00173  .00169
O5   .03730  .19260 .86690           .00096 .01723 .00375  .00053 .00110  .00064
O6   .24570 -.23450 .86050           .00111 .01463 .00432  .00073 .00100 -.00041
O7   .16650  .22190 .44750           .00092 .01406 .00326  .00041 .00065  .00086
O8   .13030  .67440 .30850           .00202 .01670 .00298  .00105 .00039 -.00174
O9   .18720  .32810 .16330           .00099 .01891 .00927  .00171 .00234  .00517
O10  .08480  .72860 .03880           .00086 .02265 .00364  .00107 .00036  .00284
O11  .05260  .24840 .15760           .00118 .02047 .00307 -.00143 .00084  .00161
O12     .25  .32670      0           .00190 .01741 .00373       0 .00037       0
O13     .25  .65150     .5           .00082 .01336 .00549       0 .00037       0
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