Byzantievite, Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4 (BO3)9O21[(OH),F]43(H2O)1.5: the crystal structure and crystal chemistry of the only known mineral with the oxyanions (BO3), (SiO4) and (PO4) | Semantic Scholar

@article{Sokolova2010ByzantieviteB,
  title={Byzantievite, Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4 (BO3)9O21[(OH),F]43(H2O)1.5: the crystal structure and crystal chemistry of the only known mineral with the oxyanions (BO3), (SiO4) and (PO4)},
  author={Elena V. Sokolova and Frank Christopher Hawthorne and Leonid A. Pautov and Atali A. Agakhanov},
  journal={Mineralogical Magazine},
  year={2010},
  volume={74},
  pages={285 - 308},
  url={https://api.semanticscholar.org/CorpusID:95182192}
}