Dokl. Akad. Nauk SSSR, 1981 Volume 257, Number 3,Pages 622–624(Mi dan44343)
CRYSTALLOGRAPHY
On a new native zirconium silicate,
$\mathrm{Na}_5\mathrm{Zr}_2[\mathrm{Si}_6\mathrm{O}_{18}]\mathrm{Cl}\cdot2\mathrm{H}_2\mathrm{O}$, and its crystal structure