Dokl. Akad. Nauk SSSR, 1991 Volume 317, Number 4,Pages 884–887(Mi dan49112)
CRYSTALLOGRAPHY
Crystal structure of a new natural tetramethylammonium aluminosilicate
$[\mathrm{N}(\mathrm{CH}_3)_4][\mathrm{Si}_2(\mathrm{Si}_{0{,}5}\mathrm{Al}_{0{,}5})\mathrm{O}_6]_2$