AM_Hollandite_8 Formula: Rb.751 (Ti3.624 Mg.376) O8 Name: Hollandite Unit cell: 10.2052 10.2052 2.9717 90.0 90.0 90.0 , V=309.49 Space group: I14/M1 (1)

Michiue Y , Acta Crystallographica, Section B , 63 (2007) p.577-583, Probability density analyses of guest ions in hollandite AxMgx/2Ti8-x/2O16, (A = K, Rb), Locality: synthetic, Sample: 8