Berlinite_12 Formula: Al P O4 Name: Berlinite Unit cell: 5.0401 5.0401 11.063 90.0 90.0 120.0 , V=243.38 Space group: P6222 (180)
Muraoka Y , Kihara K , Physics and Chemistry of Minerals , 24 (1997) p.243-253, The temperature dependence of the crystal structure of berlinite,, a quartz-type form of AlPO4, Sample: T = 612 C