Kalsilite
Perrotta A J, Smith J V
Mineralogical Magazine 35 (1965) 588-595
The crystal structure of kalsilite, KAlSiO4
Sample: Refinement with O2 off triad axis
Locality: Mt. Nyiragongo, Congo
_database_code_amcsd 0014443
5.161 5.161 8.693 90 90 120 P6_3
atom     x     y     z occ Biso
K        0     0 .2411     1.18
Al     1/3   2/3 .0461      .51
Si     1/3   2/3 .4281      .35
O1   .3831 .9875 .4858     1.01
O2   .3339 .7155   .25 1/3  .94