Citation: Schmahl, W. W.; Tillmanns, E. (1987). Isomorphic substitutions, straight Si-O-Si geometry, and disorder of tetrahedral tilting in batisite, (Ba,K)(K,Na)Na(Ti,Fe,Nb,Zr)Si4O14 Locality: tertiary nephelinite-leucite volcanic rocks, Westeifel, W. Germany. Neues Jahrbuch fur Mineralogie, Monatshefte, 1987, pp. 107-118.
Formula: Ba0.63 Fe0.32 K1.07 Na1.3 Nb0.12 O14 Si4 Ti1.44 Zr0.12
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe8 Nb8 O56 Si16 Ti8 Zr8 (Fe Nb O7 Si2 Ti Zr)
Multiplicity: 1