AM_Katoite_20 Formula: Ca3 Al2 O12 D12 Name: Katoite Unit cell: 12.1812 12.1812 12.1812 90.0 90.0 90.0 , V=1807.47 Space group: IA3D (230)

Lager G A , Marshall W G , Liu Z , Downs R T , American Mineralogist , 90 (2005) p.639-644, Re-examination of the hydrogarnet structure at high pressure, using neutron powder diffraction and infrared spectroscopy, Sample: P = 6.65 GPa