Wairakite_5 Formula: Ca.479 Si2 Al O6 Name: Wairakite Unit cell: 13.645 13.645 13.515 90.0 90.0 90.0 , V=2516.30 Space group: I41/ACD (142)
Seryotkin Y V , Joswig W , Bakakin V V , Belitsky I A , Fursenko B A , European Journal of Mineralogy , 15 (2003) p.475-484, High-temperature crystal structure of wairakite, Sample: Wai-600, T = 600 deg C