Cancrinite
Pekov I V, Olysych L V, Chukanov N V, Zubkova N V,
Pushcharovsky D Yu, Van K V, Giester G, Tillmanns E
The Canadian Mineralogist 49 (2012) 1129-1150
Crystal chemistry of cancrinite-group minerals with an AB-type framework:
A review and new data. I. Chemical and structural variations
Note: Sample# tz5/1
Locality: Tamazeght
_database_code_amcsd 0018872
12.618 12.618 5.144 90 90 120 P6_3
atom      x      y     z  occ   Uiso
Si1  .32849 .41087   .75      .00881
Al2  .07534 .41255 .7509  .92 .00886
Si2  .07534 .41255 .7509  .08 .00886
O1   .20368 .40528 .6629       .0159
O2   .11412 .56335 .7283       .0214
O3   .02878  .3506 .0582       .0171
O4   .31591  .3576 .0422       .0178
Na    .6667  .3333 .1311       .0422
Wat    .697   .378 .6905 .333   .073
NaA  .12555 .25371 .2955  .77  .0295
CaA  .12555 .25371 .2955  .15  .0295
C1        0      0  .644 .289   .019
OC1   .0575  .1178  .644 .289   .024
C2        0      0  .936 .272   .029
OC2   .0522  .1168  .936 .272   .067
C4        0      0  .762 .160   .016
OC4   .0589  .1170  .762 .160   .024