CRYSTALLOGRAPHY

More precise defined of structure of chkalovite, $\mathrm{Na}_2\mathrm{Be}[\mathrm{Si}_2\mathrm{O}_6]$

M. A. Simonov, Yu. K. Egorov-Tismenko, N. V. Belov

Lomonosov Moscow State University

UDC: 548.736.6

Received: 22.07.1975