Dokl. Akad. Nauk SSSR, 1983 Volume 269, Number 3,Pages 609–613(Mi dan46022)
CRYSTALLOGRAPHY
A new type of infinite silicate radical $[\mathrm{Si}_{10}\mathrm{O}_{25}]$
in the synthetic compound $\mathrm{LiBa}_9[\mathrm{Si}_{10}\mathrm{O}_{25}]\mathrm{Cl}_7(\mathrm{CO}_3)$