AM_KAlSiO4
Formula: K Si Al O3.996
Name: KAlSiO4
Unit cell: 5.153 5.153 8.682 90.0 90.0 120.0 , V=199.65
Space group: P63MC (186)

Dollase W A , Freeborn W P , American Mineralogist , 62 (1977) p.336-340