AM_Wairakite_4 Formula: Ca.473 Si2 Al O6.31 H2 Name: Wairakite Unit cell: 13.662 13.662 13.555 90.0 90.0 90.0 , V=2530.04 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-400, T = 400 deg C