Citation: Grey, I. E.; Madsen, I. C.; Haggerty, S. E. (1987). Structure of a new upper-mantle, magnetoplumbite-type phase, Ba(Ti3Cr4Fe4Mg)O19. American Mineralogist, 72, pp. 633-636.
Formula: Ba0.85 Cr4.72 Fe3.54 K0.12 Mg0.72 O19 Ti3.02
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Cr14 Fe20 Mg4 O38 Ti16 (Cr7 Fe10 Mg2 O19 Ti8)
Multiplicity: 1