AM_Kalsilite_3
Formula: K Al Si O4
Name: Kalsilite
Unit cell: 5.161 5.161 8.693 90.0 90.0 120.0 , V=200.52
Space group: P63 (173)

Perrotta A J , Smith J V , Mineralogical Magazine , 35 (1965) p.588-595, The crystal structure of kalsilite, KAlSiO4, Sample: Refinement with O2 off triad axis, Locality: Mt. Nyiragongo, Congo