#220
I-43d
Example – Katoite hydrogarnet, Ca3Al2(O4H4)3
High-pressure single-crystal X-ray diffraction study of katoite hydrogarnet: evidence for a phase transition from Ia-3d to I-43d symmetry at 5 GPa
Lager, G.A.; Downs, R.T.; Origlieri, M.; Garoutte, R.
American Mineralogist 87, (2002), 642-647
CIF
https://www.dropbox.com/s/j72060v787abuq8/icsd_94635.cif
CaO8 distorted cubes (blue)
AlO6 octahedra (orange)