AM_Ca3HfSi2O9 Formula: Ca3 Hf Si2 O9 Name: Ca3HfSi2O9 Unit cell: 7.3517 10.1489 10.4319 90.0 91.084 90.0 , V=778.20 Space group: P121/C1 (14)

Plaisier J R , Jansen J , de Graaff R A G , Ijdo D J W , Journal of Solid State Chemistry , 115 (1995) p.464-468, Structure determination of Ca3HfSi2O9 and Ca3ZrSi2O9 from powder diffraction, Locality: synthetic