Agakhanovite-(Y)
Hawthorne F C, Abdu Y A, Ball N A, Cerny P, Kristiansen R
American Mineralogist 99 (2014) 2084-2088
Agakhanovite-(Y), ideally (YCa)2KBe3Si12O30, a new milarite-group mineral from the
Heftetjern pegmatite, Tordal, Southern Norway: description and crystal structure
Locality: Heftetjern pegmatite, Tordal, Norway
_database_code_amcsd 0020413
10.3476 10.3476 13.7610 90 90 120 P6/mcc
atom      x      y      z   occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3)  U(2,3)
Y1      1/3    2/3 .23630 .2275  .0094  .0071  .0071  .0139 .00356       0       0
Yb1     1/3    2/3 .23630 .0025  .0094  .0071  .0071  .0139 .00356       0       0
Ca1     1/3    2/3 .23630   .27  .0094  .0071  .0071  .0139 .00356       0       0
Wat1    1/3    2/3  .0545   .23   .039   .044   .044   .031  .0218       0       0
Na1     1/3    2/3  .0545  .005   .039   .044   .044   .031  .0218       0       0
K         0      0    .25        .0198  .0187  .0187  .0220  .0093       0       0
Be1       0     .5    .25 .9767  .0091  .0091  .0092  .0088  .0045       0       0
Al1       0     .5    .25 .0233  .0091  .0091  .0092  .0088  .0045       0       0
Si1  .08107 .33803 .11267       .00862  .0082  .0106  .0072 .00484 -.00024 -.00127
O1    .0937  .3867      0        .0199  .0308  .0211  .0076  .0130       0       0
O2   .19548 .27738 .13342        .0181  .0173  .0247  .0193  .0158  -.0031  -.0049
O3   .11552 .47476 .18233        .0117  .0123  .0132  .0111  .0075   .0001  -.0031