M. A. Simonov, N. V. Belov, “On crystal structures of bertrandite $\mathrm{Be}_4[\mathrm{Si}_2\mathrm{O}_7](\mathrm{OH})_2$, and hemomorphite (calamine), $\mathrm{Zn}_4[\mathrm{Si}_2\mathrm{O}_7](\mathrm{OH})_2\cdot\mathrm{H}_2\mathrm{O}$”, Dokl. Akad. Nauk SSSR, 1976, Volume 231, Number 1,Pages <nobr>97

CRYSTALLOGRAPHY

On crystal structures of bertrandite $\mathrm{Be}_4[\mathrm{Si}_2\mathrm{O}_7](\mathrm{OH})_2$, and hemomorphite (calamine), $\mathrm{Zn}_4[\mathrm{Si}_2\mathrm{O}_7](\mathrm{OH})_2\cdot\mathrm{H}_2\mathrm{O}$

M. A. Simonov, N. V. Belov

Lomonosov Moscow State University

UDC: 548.736

Received: 19.05.1976