AM_Hieratite_1 Formula: K2 Si F6 Name: Hieratite Unit cell: 8.1419 8.1419 8.1419 90.0 90.0 90.0 , V=539.73 Space group: FM-3M (225)

Hester J R , Maslen E N , Spadaccini N , Ishizawa N , Satow Y , Acta Crystallographica, Section B , 49 (1993) p.967-973, Accurate synchrotron radiation delta rho maps for K2SiF6 and K2PdCl6, Locality: synthetic, Sample: .7 angstroms