Wohlerite
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 II
Locality: Monte Somma syenite, Italy
_database_code_amcsd 0019217
10.836 10.270 7.296 90 109.13 90 P2_1
atom       x     y     z occ Uiso
Ca(1)  .3469 .2965 .5526     .019
Nb     .1299 .0521 .1897 .57 .014
ZrNb   .1299 .0521 .1897 .43 .014
Zr     .3427 .2868 .0535     .012
Ca(2)  .1460 .6817 .1986 .82 .012
Fe(2)  .1460 .6817 .1986 .18 .012
Ca(3)  .3693 .9104 .0554     .017
Ca(4)  .1531 .6803 .6995     .014
Na(1)  .1216 .0675 .6909 .77 .021
Ca(1)  .1216 .0675 .6909 .23 .021
Na(2)  .3681 .9142 .5514 .80 .020
Ca(2)  .3681 .9142 .5514 .20 .020
Si(1)  .0808 .3713 .1980     .012
Si(2)  .0724 .3632 .6358     .012
Si(3)  .4374 .6112 .5625     .012
Si(4)  .4319 .6107 .1231     .012
O(1)   .0065 .2360 .1164     .019
O(2)  -.0181 .2386 .6213     .016
O(3)   .0078 .4998 .0912     .024
O(4)   .0169 .4969 .6944     .022
O(5)   .2324 .3699 .2070     .020
O(6)   .2211 .3323 .7754     .017
O(7)   .4871 .4690 .6486     .019
O(8)   .4607 .4603 .0772     .019
O(9)   .4744 .2341 .3201     .016
O(10)  .4664 .2148 .9148     .018
O(11)  .2852 .6371 .5156     .023
O(12)  .2855 .6669 .0197     .019
O(13)  .2461 .1132 .0365     .023
O(14)  .2283 .1135 .4503     .025
F(15)  .2382 .8866 .7445     .018
O(16)  .2178 .8880 .2273     .018
O(17)  .0865 .3886 .4241     .028
O(18)  .5268 .1214 .6404     .022