AM_Hydrogarnet_1 Formula: Ca3 Al2 O12 D12 Name: Hydrogarnet Unit cell: 12.553 12.553 12.553 90.0 90.0 90.0 , V=1978.07 Space group: IA-3D (230)

Lager G A , Armbruster T , Faber J , American Mineralogist , 72 (1987) p.756-765, Neutron and X-ray diffraction study of hydrogarnet Ca3Al2(O4H4)3, Sample: T = 200 K