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 I
Locality: Monte Somma syenite, Italy
_database_code_amcsd 0019216
10.973 10.306 7.367 90.03 109.63 90.11 P-1
atom        x     y     z occ Uiso
Ca(1)   .4247 .3708 .8430     .018
Ca(2)   .3090 .0964 .5291 .71 .019
Na(2)   .3090 .0964 .5291 .29 .019
Ca(3)   .9333 .1264 .8472 .71 .021
Zr(3)   .9333 .1264 .8472 .29 .021
Ca(4)   .8039 .3972 .5270     .015
Zr      .2953 .0973 .0262     .020
Ca(5)   .8091 .4049 .0258 .55 .015
Mn(5)   .8091 .4049 .0258 .45 .015
NaCa(1) .4207 .3791 .3378 .74 .024
CaNa(1) .4207 .3791 .3378 .26 .024
NaCa(2) .9227 .1239 .3220 .59 .015
CaNa(2) .9227 .1239 .3220 .41 .015
Si(1)   .6231 .1679 .2221     .011
Si(2)   .6203 .1711 .6582     .011
Si(3)   .1293 .3140 .2284     .012
Si(4)   .1221 .3185 .6590     .010
O(1)    .6210 .1460 .4404     .030
O(2)    .7389 .2676 .2380     .025
O(3)    .7471 .2578 .7677     .025
O(4)    .6629 .0229 .1711     .021
O(5)    .6371 .0280 .7371     .025
O(6)    .4792 .2105 .0913     .016
O(7)    .4846 .2361 .6409     .021
O(8)    .1397 .2807 .4524     .037
O(9)    .2470 .2261 .2137     .016
O(10)   .2411 .2297 .7998     .023
O(11)   .1581 .4657 .1971     .025
O(12)   .1475 .4677 .6876     .029
O(13)   .9885 .2636 .0937     .022
O(14)   .9816 .2621 .6420     .029
O(15)   .1147 .0182 .9465     .023
F(16)   .6080 .4937 .9361     .017
F(17)   .3911 .5112 .5818     .025
F(18)   .8880 .0023 .5828     .028