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American Mineralogist Crystal Structure Database

2 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
_database_code_amcsd 0000557
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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Hellandite-(Y)





	Download hom/hellanditey.pdf
	
Miyawaki R, Momma K, Yokoyama K, Shigeoka M, Matsubara S, Ito M, Nakai I, Kristiansen R




	 
	
The Canadian Mineralogist 53 (2015) 345-356




	
	
Mn-bearing hellandite-(Y) from the Heftetjern pegmatite, Tordal, Norway




	
	
Locality: Heftetjern, Tordal, Telemark, Norway




	
	
_database_code_amcsd 0020232




	
	
18.609 4.6307 10.143 90 111.475 90 P2/a




	
	
atom       x       y      z   occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3)  U(2,3)




	
	
Al1        0       0      0   .92  .0138  .0153  .0146  .0125  -.0006  .0064  -.0006




	
	
Fe1        0       0      0   .08  .0138  .0153  .0146  .0125  -.0006  .0064  -.0006