CRYSTALLOGRAPHY

Crystal specificity of zinc silicates: synthetic $\mathrm{K}_2\mathrm{Mn}_2\mathrm{Zn}_4[\mathrm{SiO}_4]_2[\mathrm{Si}_2\mathrm{O}_7]$ and natural $\mathrm{Zn}_4[\mathrm{Si}_2\mathrm{O}_7](\mathrm{OH})_2\cdot\mathrm{H}_2\mathrm{O}$ (hemimorphite)

M. A. Simonov, N. V. Belov

Lomonosov Moscow State University

UDC: 548.736

Received: 13.05.1976