Kalsilite_2 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 on triad axis, Locality: Mt. Nyiragongo, Congo