Trace element zoning of colorless beryl from spodumene pegmatites of Pashki deposit (Nuristan province, Afghanistan) - Sergey G. Skublov; Sergey G. Skublov; Nazifullah Hamdard; Mikhail A. Ivanov; Vladislav S. Stativko; Vladislav S. Stativko (Frontiers in Earth Science, 2024)