AM_Hogbomite Formula: Mg4 Al12 Ti O24 H Name: Hogbomite Unit cell: 5.7 5.7 27.6 90.0 90.0 120.0 , V=776.59 Space group: P63MC (186)

Hejny C , Armbruster T , American Mineralogist , 87 (2002) p.277-292, Polysomatism in hogbomite: The crystal structures of 10T, 12H, 14T and 24R polysomes, Note: Data represents a model, not experiment., Sample: polytype 12H