Chukhrovite-(Ca)
Vignola P, Hatert F, Bersani D, Diella V, Gentile P, Risplendente A
European Journal of Mineralogy 24 (2012) 1069-1076
Chukhrovite-(Ca), Ca4.5Al2(SO4)F13*12H2O, a new mineral species from
the Val Cavallizza Pb-Zn-(Ag) mine, Cuasso al Monte, Varese province, Italy
Locality: Val Cavallizza mine, Cuasso al Monte, Varese province, Italy
_database_code_amcsd 0019596
16.749 16.749 16.749 90 90 90 *Fd3
.125 .125 .125
atom      x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1  .29285 .29285 .29285      .0205  .0205  .0205  .0205 -.0019 -.0019 -.0019
Ca2   -.125   .375  .6030 .055  .052    .06   .041    .06  -.004      0      0
Na2   -.125   .375  .6030 .020  .052    .06   .041    .06  -.004      0      0
Fe2   -.125   .375  .6030 .005  .052    .06   .041    .06  -.004      0      0
Al       .5     .5     .5      .0174  .0174  .0174  .0174 -.0031 -.0031 -.0031
S      .125   .125   .125      .0269  .0269  .0269  .0269      0      0      0
F1     .375   .375   .375       .017   .017   .017   .017      0      0      0
F2    .2197  .3400  .4494      .0290   .030   .024   .033 -.0031 -.0021  .0104
O     .0740  .0740  .0740       .031   .031   .031   .031  -.002  -.002  -.002
Owat  .1556  .2436  .3071      .0401   .034   .055   .031  -.018  -.002   .002
H1     .132   .213   .276        .08
H2     .151   .213   .350        .09