Hiortdahlite
Bellezza M, Merlino S, Perchiazzi N
The Canadian Mineralogist 50 (2012) 531-548
Distinct domains in "guarinite" from Monte Somma, Italy:
Crystal structures and crystal chemistry
Note: "Guarinite" Domain IV
Locality: Monte Somma syenite, Italy
_database_code_amcsd 0019218
10.970 10.943 7.365 109.63 109.65 83.39 P-1
atom       x      y     z occ Uiso
Ca(1)  .3119  .4032 .2269 .72 .018
Na(1)  .3119  .4032 .2269 .28 .018
Ca(2)  .1943  .9033 .4224     .017
Ca(3)  .1928  .8994 .9189     .015
Ca(4)  .4240  .1283 .8912     .016
Zr     .2943  .4028 .7187     .016
MnM    .0669  .6259 .4756 .41 .021
CaM    .0669  .6259 .4756 .40 .021
ZrM    .0669  .6259 .4756 .19 .021
Na     .4223  .1222 .3995     .020
NaCa   .0773  .6244 .9610 .60 .014
CaNa   .0773  .6244 .9610 .40 .014
Si(1)  .6229  .3315 .8153     .012
Si(2)  .6208  .3295 .3765     .014
Si(3)  .1268  .1832 .2435     .016
Si(4)  .1251  .1846 .8103     .014
O(1)   .6208  .3575 .6078     .029
O(2)   .1404  .2188 .0505     .043
O(3)   .4861  .2639 .2253     .020
O(4)   .1604  .0370 .7226     .030
O(5)   .7378  .2307 .8624     .024
O(6)   .1459  .0308 .2190     .032
O(7)   .1156  .4816 .6511     .023
O(8)   .7489  .2465 .3589     .031
O(9)  -.0168  .2352 .7038     .033
O(10)  .2431  .2732 .8399     .024
O(11)  .3627  .5246 .6137     .030
O(12)  .4773  .2897 .7818     .020
O(13)  .2460  .2689 .4305     .023
O(14) -.0132  .2398 .2604     .025
O(15)  .3389  .5245 .0159     .023
F(16)  .3913 -.0070 .0604     .029
F(17)  .3914 -.0094 .5675     .027
F(18)  .1124  .5030 .1921     .026